diff --git a/.gitignore b/.gitignore
index 7e6f5a4..057ad79 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,4 @@ _testmain.go
coverage.out
drone-ssh
+vendor
diff --git a/glide.lock b/glide.lock
new file mode 100644
index 0000000..d7002eb
--- /dev/null
+++ b/glide.lock
@@ -0,0 +1,17 @@
+hash: fa5c3a4bf7b53b8e4cbbb43fb8a33447fc7d67f8cdd7bb8a27ff66e2d0dac47a
+updated: 2017-01-23T09:33:16.187136258+08:00
+imports:
+- name: github.com/joho/godotenv
+ version: a01a834e1654b4c9ca5b3ad05159445cc9c7ad08
+ subpackages:
+ - autoload
+- name: github.com/urfave/cli
+ version: 0bdeddeeb0f650497d603c4ad7b20cfe685682f6
+- name: golang.org/x/crypto
+ version: c3b1d0d6d8690eaebe3064711b026770cc37efa3
+ subpackages:
+ - curve25519
+ - ed25519
+ - ed25519/internal/edwards25519
+ - ssh
+testImports: []
diff --git a/glide.yaml b/glide.yaml
new file mode 100644
index 0000000..e18eaea
--- /dev/null
+++ b/glide.yaml
@@ -0,0 +1,11 @@
+package: github.com/appleboy/drone-ssh
+import:
+- package: github.com/joho/godotenv
+ version: ^1.0.0
+ subpackages:
+ - autoload
+- package: github.com/urfave/cli
+ version: ^1.19.1
+- package: golang.org/x/crypto
+ subpackages:
+ - ssh
diff --git a/main.go b/main.go
index cee0403..b3af800 100644
--- a/main.go
+++ b/main.go
@@ -4,7 +4,6 @@ import (
"fmt"
"os"
- "github.com/Sirupsen/logrus"
"github.com/joho/godotenv"
_ "github.com/joho/godotenv/autoload"
"github.com/urfave/cli"
@@ -67,9 +66,7 @@ func main() {
},
}
- if err := app.Run(os.Args); err != nil {
- logrus.Fatal(err)
- }
+ app.Run(os.Args)
}
func run(c *cli.Context) error {
diff --git a/vendor/github.com/Sirupsen/logrus/CHANGELOG.md b/vendor/github.com/Sirupsen/logrus/CHANGELOG.md
deleted file mode 100644
index 78f9895..0000000
--- a/vendor/github.com/Sirupsen/logrus/CHANGELOG.md
+++ /dev/null
@@ -1,47 +0,0 @@
-# 0.8.7
-
-* logrus/core: fix possible race (#216)
-* logrus/doc: small typo fixes and doc improvements
-
-
-# 0.8.6
-
-* hooks/raven: allow passing an initialized client
-
-# 0.8.5
-
-* logrus/core: revert #208
-
-# 0.8.4
-
-* formatter/text: fix data race (#218)
-
-# 0.8.3
-
-* logrus/core: fix entry log level (#208)
-* logrus/core: improve performance of text formatter by 40%
-* logrus/core: expose `LevelHooks` type
-* logrus/core: add support for DragonflyBSD and NetBSD
-* formatter/text: print structs more verbosely
-
-# 0.8.2
-
-* logrus: fix more Fatal family functions
-
-# 0.8.1
-
-* logrus: fix not exiting on `Fatalf` and `Fatalln`
-
-# 0.8.0
-
-* logrus: defaults to stderr instead of stdout
-* hooks/sentry: add special field for `*http.Request`
-* formatter/text: ignore Windows for colors
-
-# 0.7.3
-
-* formatter/\*: allow configuration of timestamp layout
-
-# 0.7.2
-
-* formatter/text: Add configuration option for time format (#158)
diff --git a/vendor/github.com/Sirupsen/logrus/LICENSE b/vendor/github.com/Sirupsen/logrus/LICENSE
deleted file mode 100644
index f090cb4..0000000
--- a/vendor/github.com/Sirupsen/logrus/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2014 Simon Eskildsen
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
diff --git a/vendor/github.com/Sirupsen/logrus/README.md b/vendor/github.com/Sirupsen/logrus/README.md
deleted file mode 100644
index 6fa6e20..0000000
--- a/vendor/github.com/Sirupsen/logrus/README.md
+++ /dev/null
@@ -1,357 +0,0 @@
-# Logrus 
[](https://travis-ci.org/Sirupsen/logrus) [][godoc]
-
-Logrus is a structured logger for Go (golang), completely API compatible with
-the standard library logger. [Godoc][godoc]. **Please note the Logrus API is not
-yet stable (pre 1.0). Logrus itself is completely stable and has been used in
-many large deployments. The core API is unlikely to change much but please
-version control your Logrus to make sure you aren't fetching latest `master` on
-every build.**
-
-Nicely color-coded in development (when a TTY is attached, otherwise just
-plain text):
-
-
-
-With `log.Formatter = new(logrus.JSONFormatter)`, for easy parsing by logstash
-or Splunk:
-
-```json
-{"animal":"walrus","level":"info","msg":"A group of walrus emerges from the
-ocean","size":10,"time":"2014-03-10 19:57:38.562264131 -0400 EDT"}
-
-{"level":"warning","msg":"The group's number increased tremendously!",
-"number":122,"omg":true,"time":"2014-03-10 19:57:38.562471297 -0400 EDT"}
-
-{"animal":"walrus","level":"info","msg":"A giant walrus appears!",
-"size":10,"time":"2014-03-10 19:57:38.562500591 -0400 EDT"}
-
-{"animal":"walrus","level":"info","msg":"Tremendously sized cow enters the ocean.",
-"size":9,"time":"2014-03-10 19:57:38.562527896 -0400 EDT"}
-
-{"level":"fatal","msg":"The ice breaks!","number":100,"omg":true,
-"time":"2014-03-10 19:57:38.562543128 -0400 EDT"}
-```
-
-With the default `log.Formatter = new(&log.TextFormatter{})` when a TTY is not
-attached, the output is compatible with the
-[logfmt](http://godoc.org/github.com/kr/logfmt) format:
-
-```text
-time="2015-03-26T01:27:38-04:00" level=debug msg="Started observing beach" animal=walrus number=8
-time="2015-03-26T01:27:38-04:00" level=info msg="A group of walrus emerges from the ocean" animal=walrus size=10
-time="2015-03-26T01:27:38-04:00" level=warning msg="The group's number increased tremendously!" number=122 omg=true
-time="2015-03-26T01:27:38-04:00" level=debug msg="Temperature changes" temperature=-4
-time="2015-03-26T01:27:38-04:00" level=panic msg="It's over 9000!" animal=orca size=9009
-time="2015-03-26T01:27:38-04:00" level=fatal msg="The ice breaks!" err=&{0x2082280c0 map[animal:orca size:9009] 2015-03-26 01:27:38.441574009 -0400 EDT panic It's over 9000!} number=100 omg=true
-exit status 1
-```
-
-#### Example
-
-The simplest way to use Logrus is simply the package-level exported logger:
-
-```go
-package main
-
-import (
- log "github.com/Sirupsen/logrus"
-)
-
-func main() {
- log.WithFields(log.Fields{
- "animal": "walrus",
- }).Info("A walrus appears")
-}
-```
-
-Note that it's completely api-compatible with the stdlib logger, so you can
-replace your `log` imports everywhere with `log "github.com/Sirupsen/logrus"`
-and you'll now have the flexibility of Logrus. You can customize it all you
-want:
-
-```go
-package main
-
-import (
- "os"
- log "github.com/Sirupsen/logrus"
- "github.com/Sirupsen/logrus/hooks/airbrake"
-)
-
-func init() {
- // Log as JSON instead of the default ASCII formatter.
- log.SetFormatter(&log.JSONFormatter{})
-
- // Use the Airbrake hook to report errors that have Error severity or above to
- // an exception tracker. You can create custom hooks, see the Hooks section.
- log.AddHook(airbrake.NewHook("https://example.com", "xyz", "development"))
-
- // Output to stderr instead of stdout, could also be a file.
- log.SetOutput(os.Stderr)
-
- // Only log the warning severity or above.
- log.SetLevel(log.WarnLevel)
-}
-
-func main() {
- log.WithFields(log.Fields{
- "animal": "walrus",
- "size": 10,
- }).Info("A group of walrus emerges from the ocean")
-
- log.WithFields(log.Fields{
- "omg": true,
- "number": 122,
- }).Warn("The group's number increased tremendously!")
-
- log.WithFields(log.Fields{
- "omg": true,
- "number": 100,
- }).Fatal("The ice breaks!")
-
- // A common pattern is to re-use fields between logging statements by re-using
- // the logrus.Entry returned from WithFields()
- contextLogger := log.WithFields(log.Fields{
- "common": "this is a common field",
- "other": "I also should be logged always",
- })
-
- contextLogger.Info("I'll be logged with common and other field")
- contextLogger.Info("Me too")
-}
-```
-
-For more advanced usage such as logging to multiple locations from the same
-application, you can also create an instance of the `logrus` Logger:
-
-```go
-package main
-
-import (
- "github.com/Sirupsen/logrus"
-)
-
-// Create a new instance of the logger. You can have any number of instances.
-var log = logrus.New()
-
-func main() {
- // The API for setting attributes is a little different than the package level
- // exported logger. See Godoc.
- log.Out = os.Stderr
-
- log.WithFields(logrus.Fields{
- "animal": "walrus",
- "size": 10,
- }).Info("A group of walrus emerges from the ocean")
-}
-```
-
-#### Fields
-
-Logrus encourages careful, structured logging though logging fields instead of
-long, unparseable error messages. For example, instead of: `log.Fatalf("Failed
-to send event %s to topic %s with key %d")`, you should log the much more
-discoverable:
-
-```go
-log.WithFields(log.Fields{
- "event": event,
- "topic": topic,
- "key": key,
-}).Fatal("Failed to send event")
-```
-
-We've found this API forces you to think about logging in a way that produces
-much more useful logging messages. We've been in countless situations where just
-a single added field to a log statement that was already there would've saved us
-hours. The `WithFields` call is optional.
-
-In general, with Logrus using any of the `printf`-family functions should be
-seen as a hint you should add a field, however, you can still use the
-`printf`-family functions with Logrus.
-
-#### Hooks
-
-You can add hooks for logging levels. For example to send errors to an exception
-tracking service on `Error`, `Fatal` and `Panic`, info to StatsD or log to
-multiple places simultaneously, e.g. syslog.
-
-Logrus comes with [built-in hooks](hooks/). Add those, or your custom hook, in
-`init`:
-
-```go
-import (
- log "github.com/Sirupsen/logrus"
- "github.com/Sirupsen/logrus/hooks/airbrake"
- logrus_syslog "github.com/Sirupsen/logrus/hooks/syslog"
- "log/syslog"
-)
-
-func init() {
- log.AddHook(airbrake.NewHook("https://example.com", "xyz", "development"))
-
- hook, err := logrus_syslog.NewSyslogHook("udp", "localhost:514", syslog.LOG_INFO, "")
- if err != nil {
- log.Error("Unable to connect to local syslog daemon")
- } else {
- log.AddHook(hook)
- }
-}
-```
-
-
-| Hook | Description |
-| ----- | ----------- |
-| [Airbrake](https://github.com/Sirupsen/logrus/blob/master/hooks/airbrake/airbrake.go) | Send errors to an exception tracking service compatible with the Airbrake API. Uses [`airbrake-go`](https://github.com/tobi/airbrake-go) behind the scenes. |
-| [Papertrail](https://github.com/Sirupsen/logrus/blob/master/hooks/papertrail/papertrail.go) | Send errors to the Papertrail hosted logging service via UDP. |
-| [Syslog](https://github.com/Sirupsen/logrus/blob/master/hooks/syslog/syslog.go) | Send errors to remote syslog server. Uses standard library `log/syslog` behind the scenes. |
-| [BugSnag](https://github.com/Sirupsen/logrus/blob/master/hooks/bugsnag/bugsnag.go) | Send errors to the Bugsnag exception tracking service. |
-| [Sentry](https://github.com/Sirupsen/logrus/blob/master/hooks/sentry/sentry.go) | Send errors to the Sentry error logging and aggregation service. |
-| [Hiprus](https://github.com/nubo/hiprus) | Send errors to a channel in hipchat. |
-| [Logrusly](https://github.com/sebest/logrusly) | Send logs to [Loggly](https://www.loggly.com/) |
-| [Slackrus](https://github.com/johntdyer/slackrus) | Hook for Slack chat. |
-| [Journalhook](https://github.com/wercker/journalhook) | Hook for logging to `systemd-journald` |
-| [Graylog](https://github.com/gemnasium/logrus-hooks/tree/master/graylog) | Hook for logging to [Graylog](http://graylog2.org/) |
-| [Raygun](https://github.com/squirkle/logrus-raygun-hook) | Hook for logging to [Raygun.io](http://raygun.io/) |
-| [LFShook](https://github.com/rifflock/lfshook) | Hook for logging to the local filesystem |
-| [Honeybadger](https://github.com/agonzalezro/logrus_honeybadger) | Hook for sending exceptions to Honeybadger |
-| [Mail](https://github.com/zbindenren/logrus_mail) | Hook for sending exceptions via mail |
-| [Rollrus](https://github.com/heroku/rollrus) | Hook for sending errors to rollbar |
-| [Fluentd](https://github.com/evalphobia/logrus_fluent) | Hook for logging to fluentd |
-| [Mongodb](https://github.com/weekface/mgorus) | Hook for logging to mongodb |
-
-#### Level logging
-
-Logrus has six logging levels: Debug, Info, Warning, Error, Fatal and Panic.
-
-```go
-log.Debug("Useful debugging information.")
-log.Info("Something noteworthy happened!")
-log.Warn("You should probably take a look at this.")
-log.Error("Something failed but I'm not quitting.")
-// Calls os.Exit(1) after logging
-log.Fatal("Bye.")
-// Calls panic() after logging
-log.Panic("I'm bailing.")
-```
-
-You can set the logging level on a `Logger`, then it will only log entries with
-that severity or anything above it:
-
-```go
-// Will log anything that is info or above (warn, error, fatal, panic). Default.
-log.SetLevel(log.InfoLevel)
-```
-
-It may be useful to set `log.Level = logrus.DebugLevel` in a debug or verbose
-environment if your application has that.
-
-#### Entries
-
-Besides the fields added with `WithField` or `WithFields` some fields are
-automatically added to all logging events:
-
-1. `time`. The timestamp when the entry was created.
-2. `msg`. The logging message passed to `{Info,Warn,Error,Fatal,Panic}` after
- the `AddFields` call. E.g. `Failed to send event.`
-3. `level`. The logging level. E.g. `info`.
-
-#### Environments
-
-Logrus has no notion of environment.
-
-If you wish for hooks and formatters to only be used in specific environments,
-you should handle that yourself. For example, if your application has a global
-variable `Environment`, which is a string representation of the environment you
-could do:
-
-```go
-import (
- log "github.com/Sirupsen/logrus"
-)
-
-init() {
- // do something here to set environment depending on an environment variable
- // or command-line flag
- if Environment == "production" {
- log.SetFormatter(&log.JSONFormatter{})
- } else {
- // The TextFormatter is default, you don't actually have to do this.
- log.SetFormatter(&log.TextFormatter{})
- }
-}
-```
-
-This configuration is how `logrus` was intended to be used, but JSON in
-production is mostly only useful if you do log aggregation with tools like
-Splunk or Logstash.
-
-#### Formatters
-
-The built-in logging formatters are:
-
-* `logrus.TextFormatter`. Logs the event in colors if stdout is a tty, otherwise
- without colors.
- * *Note:* to force colored output when there is no TTY, set the `ForceColors`
- field to `true`. To force no colored output even if there is a TTY set the
- `DisableColors` field to `true`
-* `logrus.JSONFormatter`. Logs fields as JSON.
-* `logrus_logstash.LogstashFormatter`. Logs fields as Logstash Events (http://logstash.net).
-
- ```go
- logrus.SetFormatter(&logrus_logstash.LogstashFormatter{Type: “application_name"})
- ```
-
-Third party logging formatters:
-
-* [`zalgo`](https://github.com/aybabtme/logzalgo): invoking the P͉̫o̳̼̊w̖͈̰͎e̬͔̭͂r͚̼̹̲ ̫͓͉̳͈ō̠͕͖̚f̝͍̠ ͕̲̞͖͑Z̖̫̤̫ͪa͉̬͈̗l͖͎g̳̥o̰̥̅!̣͔̲̻͊̄ ̙̘̦̹̦.
-
-You can define your formatter by implementing the `Formatter` interface,
-requiring a `Format` method. `Format` takes an `*Entry`. `entry.Data` is a
-`Fields` type (`map[string]interface{}`) with all your fields as well as the
-default ones (see Entries section above):
-
-```go
-type MyJSONFormatter struct {
-}
-
-log.SetFormatter(new(MyJSONFormatter))
-
-func (f *MyJSONFormatter) Format(entry *Entry) ([]byte, error) {
- // Note this doesn't include Time, Level and Message which are available on
- // the Entry. Consult `godoc` on information about those fields or read the
- // source of the official loggers.
- serialized, err := json.Marshal(entry.Data)
- if err != nil {
- return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
- }
- return append(serialized, '\n'), nil
-}
-```
-
-#### Logger as an `io.Writer`
-
-Logrus can be transformed into an `io.Writer`. That writer is the end of an `io.Pipe` and it is your responsibility to close it.
-
-```go
-w := logger.Writer()
-defer w.Close()
-
-srv := http.Server{
- // create a stdlib log.Logger that writes to
- // logrus.Logger.
- ErrorLog: log.New(w, "", 0),
-}
-```
-
-Each line written to that writer will be printed the usual way, using formatters
-and hooks. The level for those entries is `info`.
-
-#### Rotation
-
-Log rotation is not provided with Logrus. Log rotation should be done by an
-external program (like `logrotate(8)`) that can compress and delete old log
-entries. It should not be a feature of the application-level logger.
-
-
-[godoc]: https://godoc.org/github.com/Sirupsen/logrus
diff --git a/vendor/github.com/Sirupsen/logrus/doc.go b/vendor/github.com/Sirupsen/logrus/doc.go
deleted file mode 100644
index dddd5f8..0000000
--- a/vendor/github.com/Sirupsen/logrus/doc.go
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
-Package logrus is a structured logger for Go, completely API compatible with the standard library logger.
-
-
-The simplest way to use Logrus is simply the package-level exported logger:
-
- package main
-
- import (
- log "github.com/Sirupsen/logrus"
- )
-
- func main() {
- log.WithFields(log.Fields{
- "animal": "walrus",
- "number": 1,
- "size": 10,
- }).Info("A walrus appears")
- }
-
-Output:
- time="2015-09-07T08:48:33Z" level=info msg="A walrus appears" animal=walrus number=1 size=10
-
-For a full guide visit https://github.com/Sirupsen/logrus
-*/
-package logrus
diff --git a/vendor/github.com/Sirupsen/logrus/entry.go b/vendor/github.com/Sirupsen/logrus/entry.go
deleted file mode 100644
index 9ae900b..0000000
--- a/vendor/github.com/Sirupsen/logrus/entry.go
+++ /dev/null
@@ -1,264 +0,0 @@
-package logrus
-
-import (
- "bytes"
- "fmt"
- "io"
- "os"
- "time"
-)
-
-// Defines the key when adding errors using WithError.
-var ErrorKey = "error"
-
-// An entry is the final or intermediate Logrus logging entry. It contains all
-// the fields passed with WithField{,s}. It's finally logged when Debug, Info,
-// Warn, Error, Fatal or Panic is called on it. These objects can be reused and
-// passed around as much as you wish to avoid field duplication.
-type Entry struct {
- Logger *Logger
-
- // Contains all the fields set by the user.
- Data Fields
-
- // Time at which the log entry was created
- Time time.Time
-
- // Level the log entry was logged at: Debug, Info, Warn, Error, Fatal or Panic
- Level Level
-
- // Message passed to Debug, Info, Warn, Error, Fatal or Panic
- Message string
-}
-
-func NewEntry(logger *Logger) *Entry {
- return &Entry{
- Logger: logger,
- // Default is three fields, give a little extra room
- Data: make(Fields, 5),
- }
-}
-
-// Returns a reader for the entry, which is a proxy to the formatter.
-func (entry *Entry) Reader() (*bytes.Buffer, error) {
- serialized, err := entry.Logger.Formatter.Format(entry)
- return bytes.NewBuffer(serialized), err
-}
-
-// Returns the string representation from the reader and ultimately the
-// formatter.
-func (entry *Entry) String() (string, error) {
- reader, err := entry.Reader()
- if err != nil {
- return "", err
- }
-
- return reader.String(), err
-}
-
-// Add an error as single field (using the key defined in ErrorKey) to the Entry.
-func (entry *Entry) WithError(err error) *Entry {
- return entry.WithField(ErrorKey, err)
-}
-
-// Add a single field to the Entry.
-func (entry *Entry) WithField(key string, value interface{}) *Entry {
- return entry.WithFields(Fields{key: value})
-}
-
-// Add a map of fields to the Entry.
-func (entry *Entry) WithFields(fields Fields) *Entry {
- data := Fields{}
- for k, v := range entry.Data {
- data[k] = v
- }
- for k, v := range fields {
- data[k] = v
- }
- return &Entry{Logger: entry.Logger, Data: data}
-}
-
-// This function is not declared with a pointer value because otherwise
-// race conditions will occur when using multiple goroutines
-func (entry Entry) log(level Level, msg string) {
- entry.Time = time.Now()
- entry.Level = level
- entry.Message = msg
-
- if err := entry.Logger.Hooks.Fire(level, &entry); err != nil {
- entry.Logger.mu.Lock()
- fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err)
- entry.Logger.mu.Unlock()
- }
-
- reader, err := entry.Reader()
- if err != nil {
- entry.Logger.mu.Lock()
- fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err)
- entry.Logger.mu.Unlock()
- }
-
- entry.Logger.mu.Lock()
- defer entry.Logger.mu.Unlock()
-
- _, err = io.Copy(entry.Logger.Out, reader)
- if err != nil {
- fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err)
- }
-
- // To avoid Entry#log() returning a value that only would make sense for
- // panic() to use in Entry#Panic(), we avoid the allocation by checking
- // directly here.
- if level <= PanicLevel {
- panic(&entry)
- }
-}
-
-func (entry *Entry) Debug(args ...interface{}) {
- if entry.Logger.Level >= DebugLevel {
- entry.log(DebugLevel, fmt.Sprint(args...))
- }
-}
-
-func (entry *Entry) Print(args ...interface{}) {
- entry.Info(args...)
-}
-
-func (entry *Entry) Info(args ...interface{}) {
- if entry.Logger.Level >= InfoLevel {
- entry.log(InfoLevel, fmt.Sprint(args...))
- }
-}
-
-func (entry *Entry) Warn(args ...interface{}) {
- if entry.Logger.Level >= WarnLevel {
- entry.log(WarnLevel, fmt.Sprint(args...))
- }
-}
-
-func (entry *Entry) Warning(args ...interface{}) {
- entry.Warn(args...)
-}
-
-func (entry *Entry) Error(args ...interface{}) {
- if entry.Logger.Level >= ErrorLevel {
- entry.log(ErrorLevel, fmt.Sprint(args...))
- }
-}
-
-func (entry *Entry) Fatal(args ...interface{}) {
- if entry.Logger.Level >= FatalLevel {
- entry.log(FatalLevel, fmt.Sprint(args...))
- }
- os.Exit(1)
-}
-
-func (entry *Entry) Panic(args ...interface{}) {
- if entry.Logger.Level >= PanicLevel {
- entry.log(PanicLevel, fmt.Sprint(args...))
- }
- panic(fmt.Sprint(args...))
-}
-
-// Entry Printf family functions
-
-func (entry *Entry) Debugf(format string, args ...interface{}) {
- if entry.Logger.Level >= DebugLevel {
- entry.Debug(fmt.Sprintf(format, args...))
- }
-}
-
-func (entry *Entry) Infof(format string, args ...interface{}) {
- if entry.Logger.Level >= InfoLevel {
- entry.Info(fmt.Sprintf(format, args...))
- }
-}
-
-func (entry *Entry) Printf(format string, args ...interface{}) {
- entry.Infof(format, args...)
-}
-
-func (entry *Entry) Warnf(format string, args ...interface{}) {
- if entry.Logger.Level >= WarnLevel {
- entry.Warn(fmt.Sprintf(format, args...))
- }
-}
-
-func (entry *Entry) Warningf(format string, args ...interface{}) {
- entry.Warnf(format, args...)
-}
-
-func (entry *Entry) Errorf(format string, args ...interface{}) {
- if entry.Logger.Level >= ErrorLevel {
- entry.Error(fmt.Sprintf(format, args...))
- }
-}
-
-func (entry *Entry) Fatalf(format string, args ...interface{}) {
- if entry.Logger.Level >= FatalLevel {
- entry.Fatal(fmt.Sprintf(format, args...))
- }
- os.Exit(1)
-}
-
-func (entry *Entry) Panicf(format string, args ...interface{}) {
- if entry.Logger.Level >= PanicLevel {
- entry.Panic(fmt.Sprintf(format, args...))
- }
-}
-
-// Entry Println family functions
-
-func (entry *Entry) Debugln(args ...interface{}) {
- if entry.Logger.Level >= DebugLevel {
- entry.Debug(entry.sprintlnn(args...))
- }
-}
-
-func (entry *Entry) Infoln(args ...interface{}) {
- if entry.Logger.Level >= InfoLevel {
- entry.Info(entry.sprintlnn(args...))
- }
-}
-
-func (entry *Entry) Println(args ...interface{}) {
- entry.Infoln(args...)
-}
-
-func (entry *Entry) Warnln(args ...interface{}) {
- if entry.Logger.Level >= WarnLevel {
- entry.Warn(entry.sprintlnn(args...))
- }
-}
-
-func (entry *Entry) Warningln(args ...interface{}) {
- entry.Warnln(args...)
-}
-
-func (entry *Entry) Errorln(args ...interface{}) {
- if entry.Logger.Level >= ErrorLevel {
- entry.Error(entry.sprintlnn(args...))
- }
-}
-
-func (entry *Entry) Fatalln(args ...interface{}) {
- if entry.Logger.Level >= FatalLevel {
- entry.Fatal(entry.sprintlnn(args...))
- }
- os.Exit(1)
-}
-
-func (entry *Entry) Panicln(args ...interface{}) {
- if entry.Logger.Level >= PanicLevel {
- entry.Panic(entry.sprintlnn(args...))
- }
-}
-
-// Sprintlnn => Sprint no newline. This is to get the behavior of how
-// fmt.Sprintln where spaces are always added between operands, regardless of
-// their type. Instead of vendoring the Sprintln implementation to spare a
-// string allocation, we do the simplest thing.
-func (entry *Entry) sprintlnn(args ...interface{}) string {
- msg := fmt.Sprintln(args...)
- return msg[:len(msg)-1]
-}
diff --git a/vendor/github.com/Sirupsen/logrus/exported.go b/vendor/github.com/Sirupsen/logrus/exported.go
deleted file mode 100644
index 9a0120a..0000000
--- a/vendor/github.com/Sirupsen/logrus/exported.go
+++ /dev/null
@@ -1,193 +0,0 @@
-package logrus
-
-import (
- "io"
-)
-
-var (
- // std is the name of the standard logger in stdlib `log`
- std = New()
-)
-
-func StandardLogger() *Logger {
- return std
-}
-
-// SetOutput sets the standard logger output.
-func SetOutput(out io.Writer) {
- std.mu.Lock()
- defer std.mu.Unlock()
- std.Out = out
-}
-
-// SetFormatter sets the standard logger formatter.
-func SetFormatter(formatter Formatter) {
- std.mu.Lock()
- defer std.mu.Unlock()
- std.Formatter = formatter
-}
-
-// SetLevel sets the standard logger level.
-func SetLevel(level Level) {
- std.mu.Lock()
- defer std.mu.Unlock()
- std.Level = level
-}
-
-// GetLevel returns the standard logger level.
-func GetLevel() Level {
- std.mu.Lock()
- defer std.mu.Unlock()
- return std.Level
-}
-
-// AddHook adds a hook to the standard logger hooks.
-func AddHook(hook Hook) {
- std.mu.Lock()
- defer std.mu.Unlock()
- std.Hooks.Add(hook)
-}
-
-// WithError creates an entry from the standard logger and adds an error to it, using the value defined in ErrorKey as key.
-func WithError(err error) *Entry {
- return std.WithField(ErrorKey, err)
-}
-
-// WithField creates an entry from the standard logger and adds a field to
-// it. If you want multiple fields, use `WithFields`.
-//
-// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal
-// or Panic on the Entry it returns.
-func WithField(key string, value interface{}) *Entry {
- return std.WithField(key, value)
-}
-
-// WithFields creates an entry from the standard logger and adds multiple
-// fields to it. This is simply a helper for `WithField`, invoking it
-// once for each field.
-//
-// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal
-// or Panic on the Entry it returns.
-func WithFields(fields Fields) *Entry {
- return std.WithFields(fields)
-}
-
-// Debug logs a message at level Debug on the standard logger.
-func Debug(args ...interface{}) {
- std.Debug(args...)
-}
-
-// Print logs a message at level Info on the standard logger.
-func Print(args ...interface{}) {
- std.Print(args...)
-}
-
-// Info logs a message at level Info on the standard logger.
-func Info(args ...interface{}) {
- std.Info(args...)
-}
-
-// Warn logs a message at level Warn on the standard logger.
-func Warn(args ...interface{}) {
- std.Warn(args...)
-}
-
-// Warning logs a message at level Warn on the standard logger.
-func Warning(args ...interface{}) {
- std.Warning(args...)
-}
-
-// Error logs a message at level Error on the standard logger.
-func Error(args ...interface{}) {
- std.Error(args...)
-}
-
-// Panic logs a message at level Panic on the standard logger.
-func Panic(args ...interface{}) {
- std.Panic(args...)
-}
-
-// Fatal logs a message at level Fatal on the standard logger.
-func Fatal(args ...interface{}) {
- std.Fatal(args...)
-}
-
-// Debugf logs a message at level Debug on the standard logger.
-func Debugf(format string, args ...interface{}) {
- std.Debugf(format, args...)
-}
-
-// Printf logs a message at level Info on the standard logger.
-func Printf(format string, args ...interface{}) {
- std.Printf(format, args...)
-}
-
-// Infof logs a message at level Info on the standard logger.
-func Infof(format string, args ...interface{}) {
- std.Infof(format, args...)
-}
-
-// Warnf logs a message at level Warn on the standard logger.
-func Warnf(format string, args ...interface{}) {
- std.Warnf(format, args...)
-}
-
-// Warningf logs a message at level Warn on the standard logger.
-func Warningf(format string, args ...interface{}) {
- std.Warningf(format, args...)
-}
-
-// Errorf logs a message at level Error on the standard logger.
-func Errorf(format string, args ...interface{}) {
- std.Errorf(format, args...)
-}
-
-// Panicf logs a message at level Panic on the standard logger.
-func Panicf(format string, args ...interface{}) {
- std.Panicf(format, args...)
-}
-
-// Fatalf logs a message at level Fatal on the standard logger.
-func Fatalf(format string, args ...interface{}) {
- std.Fatalf(format, args...)
-}
-
-// Debugln logs a message at level Debug on the standard logger.
-func Debugln(args ...interface{}) {
- std.Debugln(args...)
-}
-
-// Println logs a message at level Info on the standard logger.
-func Println(args ...interface{}) {
- std.Println(args...)
-}
-
-// Infoln logs a message at level Info on the standard logger.
-func Infoln(args ...interface{}) {
- std.Infoln(args...)
-}
-
-// Warnln logs a message at level Warn on the standard logger.
-func Warnln(args ...interface{}) {
- std.Warnln(args...)
-}
-
-// Warningln logs a message at level Warn on the standard logger.
-func Warningln(args ...interface{}) {
- std.Warningln(args...)
-}
-
-// Errorln logs a message at level Error on the standard logger.
-func Errorln(args ...interface{}) {
- std.Errorln(args...)
-}
-
-// Panicln logs a message at level Panic on the standard logger.
-func Panicln(args ...interface{}) {
- std.Panicln(args...)
-}
-
-// Fatalln logs a message at level Fatal on the standard logger.
-func Fatalln(args ...interface{}) {
- std.Fatalln(args...)
-}
diff --git a/vendor/github.com/Sirupsen/logrus/formatter.go b/vendor/github.com/Sirupsen/logrus/formatter.go
deleted file mode 100644
index 104d689..0000000
--- a/vendor/github.com/Sirupsen/logrus/formatter.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package logrus
-
-import "time"
-
-const DefaultTimestampFormat = time.RFC3339
-
-// The Formatter interface is used to implement a custom Formatter. It takes an
-// `Entry`. It exposes all the fields, including the default ones:
-//
-// * `entry.Data["msg"]`. The message passed from Info, Warn, Error ..
-// * `entry.Data["time"]`. The timestamp.
-// * `entry.Data["level"]. The level the entry was logged at.
-//
-// Any additional fields added with `WithField` or `WithFields` are also in
-// `entry.Data`. Format is expected to return an array of bytes which are then
-// logged to `logger.Out`.
-type Formatter interface {
- Format(*Entry) ([]byte, error)
-}
-
-// This is to not silently overwrite `time`, `msg` and `level` fields when
-// dumping it. If this code wasn't there doing:
-//
-// logrus.WithField("level", 1).Info("hello")
-//
-// Would just silently drop the user provided level. Instead with this code
-// it'll logged as:
-//
-// {"level": "info", "fields.level": 1, "msg": "hello", "time": "..."}
-//
-// It's not exported because it's still using Data in an opinionated way. It's to
-// avoid code duplication between the two default formatters.
-func prefixFieldClashes(data Fields) {
- _, ok := data["time"]
- if ok {
- data["fields.time"] = data["time"]
- }
-
- _, ok = data["msg"]
- if ok {
- data["fields.msg"] = data["msg"]
- }
-
- _, ok = data["level"]
- if ok {
- data["fields.level"] = data["level"]
- }
-}
diff --git a/vendor/github.com/Sirupsen/logrus/hooks.go b/vendor/github.com/Sirupsen/logrus/hooks.go
deleted file mode 100644
index 3f151cd..0000000
--- a/vendor/github.com/Sirupsen/logrus/hooks.go
+++ /dev/null
@@ -1,34 +0,0 @@
-package logrus
-
-// A hook to be fired when logging on the logging levels returned from
-// `Levels()` on your implementation of the interface. Note that this is not
-// fired in a goroutine or a channel with workers, you should handle such
-// functionality yourself if your call is non-blocking and you don't wish for
-// the logging calls for levels returned from `Levels()` to block.
-type Hook interface {
- Levels() []Level
- Fire(*Entry) error
-}
-
-// Internal type for storing the hooks on a logger instance.
-type LevelHooks map[Level][]Hook
-
-// Add a hook to an instance of logger. This is called with
-// `log.Hooks.Add(new(MyHook))` where `MyHook` implements the `Hook` interface.
-func (hooks LevelHooks) Add(hook Hook) {
- for _, level := range hook.Levels() {
- hooks[level] = append(hooks[level], hook)
- }
-}
-
-// Fire all the hooks for the passed level. Used by `entry.log` to fire
-// appropriate hooks for a log entry.
-func (hooks LevelHooks) Fire(level Level, entry *Entry) error {
- for _, hook := range hooks[level] {
- if err := hook.Fire(entry); err != nil {
- return err
- }
- }
-
- return nil
-}
diff --git a/vendor/github.com/Sirupsen/logrus/json_formatter.go b/vendor/github.com/Sirupsen/logrus/json_formatter.go
deleted file mode 100644
index 2ad6dc5..0000000
--- a/vendor/github.com/Sirupsen/logrus/json_formatter.go
+++ /dev/null
@@ -1,41 +0,0 @@
-package logrus
-
-import (
- "encoding/json"
- "fmt"
-)
-
-type JSONFormatter struct {
- // TimestampFormat sets the format used for marshaling timestamps.
- TimestampFormat string
-}
-
-func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) {
- data := make(Fields, len(entry.Data)+3)
- for k, v := range entry.Data {
- switch v := v.(type) {
- case error:
- // Otherwise errors are ignored by `encoding/json`
- // https://github.com/Sirupsen/logrus/issues/137
- data[k] = v.Error()
- default:
- data[k] = v
- }
- }
- prefixFieldClashes(data)
-
- timestampFormat := f.TimestampFormat
- if timestampFormat == "" {
- timestampFormat = DefaultTimestampFormat
- }
-
- data["time"] = entry.Time.Format(timestampFormat)
- data["msg"] = entry.Message
- data["level"] = entry.Level.String()
-
- serialized, err := json.Marshal(data)
- if err != nil {
- return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err)
- }
- return append(serialized, '\n'), nil
-}
diff --git a/vendor/github.com/Sirupsen/logrus/logger.go b/vendor/github.com/Sirupsen/logrus/logger.go
deleted file mode 100644
index fd9804c..0000000
--- a/vendor/github.com/Sirupsen/logrus/logger.go
+++ /dev/null
@@ -1,206 +0,0 @@
-package logrus
-
-import (
- "io"
- "os"
- "sync"
-)
-
-type Logger struct {
- // The logs are `io.Copy`'d to this in a mutex. It's common to set this to a
- // file, or leave it default which is `os.Stderr`. You can also set this to
- // something more adventorous, such as logging to Kafka.
- Out io.Writer
- // Hooks for the logger instance. These allow firing events based on logging
- // levels and log entries. For example, to send errors to an error tracking
- // service, log to StatsD or dump the core on fatal errors.
- Hooks LevelHooks
- // All log entries pass through the formatter before logged to Out. The
- // included formatters are `TextFormatter` and `JSONFormatter` for which
- // TextFormatter is the default. In development (when a TTY is attached) it
- // logs with colors, but to a file it wouldn't. You can easily implement your
- // own that implements the `Formatter` interface, see the `README` or included
- // formatters for examples.
- Formatter Formatter
- // The logging level the logger should log at. This is typically (and defaults
- // to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
- // logged. `logrus.Debug` is useful in
- Level Level
- // Used to sync writing to the log.
- mu sync.Mutex
-}
-
-// Creates a new logger. Configuration should be set by changing `Formatter`,
-// `Out` and `Hooks` directly on the default logger instance. You can also just
-// instantiate your own:
-//
-// var log = &Logger{
-// Out: os.Stderr,
-// Formatter: new(JSONFormatter),
-// Hooks: make(LevelHooks),
-// Level: logrus.DebugLevel,
-// }
-//
-// It's recommended to make this a global instance called `log`.
-func New() *Logger {
- return &Logger{
- Out: os.Stderr,
- Formatter: new(TextFormatter),
- Hooks: make(LevelHooks),
- Level: InfoLevel,
- }
-}
-
-// Adds a field to the log entry, note that you it doesn't log until you call
-// Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry.
-// If you want multiple fields, use `WithFields`.
-func (logger *Logger) WithField(key string, value interface{}) *Entry {
- return NewEntry(logger).WithField(key, value)
-}
-
-// Adds a struct of fields to the log entry. All it does is call `WithField` for
-// each `Field`.
-func (logger *Logger) WithFields(fields Fields) *Entry {
- return NewEntry(logger).WithFields(fields)
-}
-
-func (logger *Logger) Debugf(format string, args ...interface{}) {
- if logger.Level >= DebugLevel {
- NewEntry(logger).Debugf(format, args...)
- }
-}
-
-func (logger *Logger) Infof(format string, args ...interface{}) {
- if logger.Level >= InfoLevel {
- NewEntry(logger).Infof(format, args...)
- }
-}
-
-func (logger *Logger) Printf(format string, args ...interface{}) {
- NewEntry(logger).Printf(format, args...)
-}
-
-func (logger *Logger) Warnf(format string, args ...interface{}) {
- if logger.Level >= WarnLevel {
- NewEntry(logger).Warnf(format, args...)
- }
-}
-
-func (logger *Logger) Warningf(format string, args ...interface{}) {
- if logger.Level >= WarnLevel {
- NewEntry(logger).Warnf(format, args...)
- }
-}
-
-func (logger *Logger) Errorf(format string, args ...interface{}) {
- if logger.Level >= ErrorLevel {
- NewEntry(logger).Errorf(format, args...)
- }
-}
-
-func (logger *Logger) Fatalf(format string, args ...interface{}) {
- if logger.Level >= FatalLevel {
- NewEntry(logger).Fatalf(format, args...)
- }
- os.Exit(1)
-}
-
-func (logger *Logger) Panicf(format string, args ...interface{}) {
- if logger.Level >= PanicLevel {
- NewEntry(logger).Panicf(format, args...)
- }
-}
-
-func (logger *Logger) Debug(args ...interface{}) {
- if logger.Level >= DebugLevel {
- NewEntry(logger).Debug(args...)
- }
-}
-
-func (logger *Logger) Info(args ...interface{}) {
- if logger.Level >= InfoLevel {
- NewEntry(logger).Info(args...)
- }
-}
-
-func (logger *Logger) Print(args ...interface{}) {
- NewEntry(logger).Info(args...)
-}
-
-func (logger *Logger) Warn(args ...interface{}) {
- if logger.Level >= WarnLevel {
- NewEntry(logger).Warn(args...)
- }
-}
-
-func (logger *Logger) Warning(args ...interface{}) {
- if logger.Level >= WarnLevel {
- NewEntry(logger).Warn(args...)
- }
-}
-
-func (logger *Logger) Error(args ...interface{}) {
- if logger.Level >= ErrorLevel {
- NewEntry(logger).Error(args...)
- }
-}
-
-func (logger *Logger) Fatal(args ...interface{}) {
- if logger.Level >= FatalLevel {
- NewEntry(logger).Fatal(args...)
- }
- os.Exit(1)
-}
-
-func (logger *Logger) Panic(args ...interface{}) {
- if logger.Level >= PanicLevel {
- NewEntry(logger).Panic(args...)
- }
-}
-
-func (logger *Logger) Debugln(args ...interface{}) {
- if logger.Level >= DebugLevel {
- NewEntry(logger).Debugln(args...)
- }
-}
-
-func (logger *Logger) Infoln(args ...interface{}) {
- if logger.Level >= InfoLevel {
- NewEntry(logger).Infoln(args...)
- }
-}
-
-func (logger *Logger) Println(args ...interface{}) {
- NewEntry(logger).Println(args...)
-}
-
-func (logger *Logger) Warnln(args ...interface{}) {
- if logger.Level >= WarnLevel {
- NewEntry(logger).Warnln(args...)
- }
-}
-
-func (logger *Logger) Warningln(args ...interface{}) {
- if logger.Level >= WarnLevel {
- NewEntry(logger).Warnln(args...)
- }
-}
-
-func (logger *Logger) Errorln(args ...interface{}) {
- if logger.Level >= ErrorLevel {
- NewEntry(logger).Errorln(args...)
- }
-}
-
-func (logger *Logger) Fatalln(args ...interface{}) {
- if logger.Level >= FatalLevel {
- NewEntry(logger).Fatalln(args...)
- }
- os.Exit(1)
-}
-
-func (logger *Logger) Panicln(args ...interface{}) {
- if logger.Level >= PanicLevel {
- NewEntry(logger).Panicln(args...)
- }
-}
diff --git a/vendor/github.com/Sirupsen/logrus/logrus.go b/vendor/github.com/Sirupsen/logrus/logrus.go
deleted file mode 100644
index 0c09fbc..0000000
--- a/vendor/github.com/Sirupsen/logrus/logrus.go
+++ /dev/null
@@ -1,98 +0,0 @@
-package logrus
-
-import (
- "fmt"
- "log"
-)
-
-// Fields type, used to pass to `WithFields`.
-type Fields map[string]interface{}
-
-// Level type
-type Level uint8
-
-// Convert the Level to a string. E.g. PanicLevel becomes "panic".
-func (level Level) String() string {
- switch level {
- case DebugLevel:
- return "debug"
- case InfoLevel:
- return "info"
- case WarnLevel:
- return "warning"
- case ErrorLevel:
- return "error"
- case FatalLevel:
- return "fatal"
- case PanicLevel:
- return "panic"
- }
-
- return "unknown"
-}
-
-// ParseLevel takes a string level and returns the Logrus log level constant.
-func ParseLevel(lvl string) (Level, error) {
- switch lvl {
- case "panic":
- return PanicLevel, nil
- case "fatal":
- return FatalLevel, nil
- case "error":
- return ErrorLevel, nil
- case "warn", "warning":
- return WarnLevel, nil
- case "info":
- return InfoLevel, nil
- case "debug":
- return DebugLevel, nil
- }
-
- var l Level
- return l, fmt.Errorf("not a valid logrus Level: %q", lvl)
-}
-
-// These are the different logging levels. You can set the logging level to log
-// on your instance of logger, obtained with `logrus.New()`.
-const (
- // PanicLevel level, highest level of severity. Logs and then calls panic with the
- // message passed to Debug, Info, ...
- PanicLevel Level = iota
- // FatalLevel level. Logs and then calls `os.Exit(1)`. It will exit even if the
- // logging level is set to Panic.
- FatalLevel
- // ErrorLevel level. Logs. Used for errors that should definitely be noted.
- // Commonly used for hooks to send errors to an error tracking service.
- ErrorLevel
- // WarnLevel level. Non-critical entries that deserve eyes.
- WarnLevel
- // InfoLevel level. General operational entries about what's going on inside the
- // application.
- InfoLevel
- // DebugLevel level. Usually only enabled when debugging. Very verbose logging.
- DebugLevel
-)
-
-// Won't compile if StdLogger can't be realized by a log.Logger
-var (
- _ StdLogger = &log.Logger{}
- _ StdLogger = &Entry{}
- _ StdLogger = &Logger{}
-)
-
-// StdLogger is what your logrus-enabled library should take, that way
-// it'll accept a stdlib logger and a logrus logger. There's no standard
-// interface, this is the closest we get, unfortunately.
-type StdLogger interface {
- Print(...interface{})
- Printf(string, ...interface{})
- Println(...interface{})
-
- Fatal(...interface{})
- Fatalf(string, ...interface{})
- Fatalln(...interface{})
-
- Panic(...interface{})
- Panicf(string, ...interface{})
- Panicln(...interface{})
-}
diff --git a/vendor/github.com/Sirupsen/logrus/terminal_bsd.go b/vendor/github.com/Sirupsen/logrus/terminal_bsd.go
deleted file mode 100644
index 71f8d67..0000000
--- a/vendor/github.com/Sirupsen/logrus/terminal_bsd.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// +build darwin freebsd openbsd netbsd dragonfly
-
-package logrus
-
-import "syscall"
-
-const ioctlReadTermios = syscall.TIOCGETA
-
-type Termios syscall.Termios
diff --git a/vendor/github.com/Sirupsen/logrus/terminal_linux.go b/vendor/github.com/Sirupsen/logrus/terminal_linux.go
deleted file mode 100644
index a2c0b40..0000000
--- a/vendor/github.com/Sirupsen/logrus/terminal_linux.go
+++ /dev/null
@@ -1,12 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package logrus
-
-import "syscall"
-
-const ioctlReadTermios = syscall.TCGETS
-
-type Termios syscall.Termios
diff --git a/vendor/github.com/Sirupsen/logrus/terminal_notwindows.go b/vendor/github.com/Sirupsen/logrus/terminal_notwindows.go
deleted file mode 100644
index 4bb5376..0000000
--- a/vendor/github.com/Sirupsen/logrus/terminal_notwindows.go
+++ /dev/null
@@ -1,21 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build linux darwin freebsd openbsd netbsd dragonfly
-
-package logrus
-
-import (
- "syscall"
- "unsafe"
-)
-
-// IsTerminal returns true if the given file descriptor is a terminal.
-func IsTerminal() bool {
- fd := syscall.Stdout
- var termios Termios
- _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), ioctlReadTermios, uintptr(unsafe.Pointer(&termios)), 0, 0, 0)
- return err == 0
-}
diff --git a/vendor/github.com/Sirupsen/logrus/terminal_windows.go b/vendor/github.com/Sirupsen/logrus/terminal_windows.go
deleted file mode 100644
index 2e09f6f..0000000
--- a/vendor/github.com/Sirupsen/logrus/terminal_windows.go
+++ /dev/null
@@ -1,27 +0,0 @@
-// Based on ssh/terminal:
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build windows
-
-package logrus
-
-import (
- "syscall"
- "unsafe"
-)
-
-var kernel32 = syscall.NewLazyDLL("kernel32.dll")
-
-var (
- procGetConsoleMode = kernel32.NewProc("GetConsoleMode")
-)
-
-// IsTerminal returns true if the given file descriptor is a terminal.
-func IsTerminal() bool {
- fd := syscall.Stdout
- var st uint32
- r, _, e := syscall.Syscall(procGetConsoleMode.Addr(), 2, uintptr(fd), uintptr(unsafe.Pointer(&st)), 0)
- return r != 0 && e == 0
-}
diff --git a/vendor/github.com/Sirupsen/logrus/text_formatter.go b/vendor/github.com/Sirupsen/logrus/text_formatter.go
deleted file mode 100644
index 17cc298..0000000
--- a/vendor/github.com/Sirupsen/logrus/text_formatter.go
+++ /dev/null
@@ -1,159 +0,0 @@
-package logrus
-
-import (
- "bytes"
- "fmt"
- "runtime"
- "sort"
- "strings"
- "time"
-)
-
-const (
- nocolor = 0
- red = 31
- green = 32
- yellow = 33
- blue = 34
- gray = 37
-)
-
-var (
- baseTimestamp time.Time
- isTerminal bool
-)
-
-func init() {
- baseTimestamp = time.Now()
- isTerminal = IsTerminal()
-}
-
-func miniTS() int {
- return int(time.Since(baseTimestamp) / time.Second)
-}
-
-type TextFormatter struct {
- // Set to true to bypass checking for a TTY before outputting colors.
- ForceColors bool
-
- // Force disabling colors.
- DisableColors bool
-
- // Disable timestamp logging. useful when output is redirected to logging
- // system that already adds timestamps.
- DisableTimestamp bool
-
- // Enable logging the full timestamp when a TTY is attached instead of just
- // the time passed since beginning of execution.
- FullTimestamp bool
-
- // TimestampFormat to use for display when a full timestamp is printed
- TimestampFormat string
-
- // The fields are sorted by default for a consistent output. For applications
- // that log extremely frequently and don't use the JSON formatter this may not
- // be desired.
- DisableSorting bool
-}
-
-func (f *TextFormatter) Format(entry *Entry) ([]byte, error) {
- var keys []string = make([]string, 0, len(entry.Data))
- for k := range entry.Data {
- keys = append(keys, k)
- }
-
- if !f.DisableSorting {
- sort.Strings(keys)
- }
-
- b := &bytes.Buffer{}
-
- prefixFieldClashes(entry.Data)
-
- isColorTerminal := isTerminal && (runtime.GOOS != "windows")
- isColored := (f.ForceColors || isColorTerminal) && !f.DisableColors
-
- timestampFormat := f.TimestampFormat
- if timestampFormat == "" {
- timestampFormat = DefaultTimestampFormat
- }
- if isColored {
- f.printColored(b, entry, keys, timestampFormat)
- } else {
- if !f.DisableTimestamp {
- f.appendKeyValue(b, "time", entry.Time.Format(timestampFormat))
- }
- f.appendKeyValue(b, "level", entry.Level.String())
- f.appendKeyValue(b, "msg", entry.Message)
- for _, key := range keys {
- f.appendKeyValue(b, key, entry.Data[key])
- }
- }
-
- b.WriteByte('\n')
- return b.Bytes(), nil
-}
-
-func (f *TextFormatter) printColored(b *bytes.Buffer, entry *Entry, keys []string, timestampFormat string) {
- var levelColor int
- switch entry.Level {
- case DebugLevel:
- levelColor = gray
- case WarnLevel:
- levelColor = yellow
- case ErrorLevel, FatalLevel, PanicLevel:
- levelColor = red
- default:
- levelColor = blue
- }
-
- levelText := strings.ToUpper(entry.Level.String())[0:4]
-
- if !f.FullTimestamp {
- fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%04d] %-44s ", levelColor, levelText, miniTS(), entry.Message)
- } else {
- fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m[%s] %-44s ", levelColor, levelText, entry.Time.Format(timestampFormat), entry.Message)
- }
- for _, k := range keys {
- v := entry.Data[k]
- fmt.Fprintf(b, " \x1b[%dm%s\x1b[0m=%+v", levelColor, k, v)
- }
-}
-
-func needsQuoting(text string) bool {
- for _, ch := range text {
- if !((ch >= 'a' && ch <= 'z') ||
- (ch >= 'A' && ch <= 'Z') ||
- (ch >= '0' && ch <= '9') ||
- ch == '-' || ch == '.') {
- return false
- }
- }
- return true
-}
-
-func (f *TextFormatter) appendKeyValue(b *bytes.Buffer, key string, value interface{}) {
-
- b.WriteString(key)
- b.WriteByte('=')
-
- switch value := value.(type) {
- case string:
- if needsQuoting(value) {
- b.WriteString(value)
- } else {
- fmt.Fprintf(b, "%q", value)
- }
- case error:
- errmsg := value.Error()
- if needsQuoting(errmsg) {
- b.WriteString(errmsg)
- } else {
- fmt.Fprintf(b, "%q", value)
- }
- default:
- fmt.Fprint(b, value)
- }
-
- b.WriteByte(' ')
-}
diff --git a/vendor/github.com/Sirupsen/logrus/writer.go b/vendor/github.com/Sirupsen/logrus/writer.go
deleted file mode 100644
index 1e30b1c..0000000
--- a/vendor/github.com/Sirupsen/logrus/writer.go
+++ /dev/null
@@ -1,31 +0,0 @@
-package logrus
-
-import (
- "bufio"
- "io"
- "runtime"
-)
-
-func (logger *Logger) Writer() *io.PipeWriter {
- reader, writer := io.Pipe()
-
- go logger.writerScanner(reader)
- runtime.SetFinalizer(writer, writerFinalizer)
-
- return writer
-}
-
-func (logger *Logger) writerScanner(reader *io.PipeReader) {
- scanner := bufio.NewScanner(reader)
- for scanner.Scan() {
- logger.Print(scanner.Text())
- }
- if err := scanner.Err(); err != nil {
- logger.Errorf("Error while reading from Writer: %s", err)
- }
- reader.Close()
-}
-
-func writerFinalizer(writer *io.PipeWriter) {
- writer.Close()
-}
diff --git a/vendor/github.com/joho/godotenv/LICENCE b/vendor/github.com/joho/godotenv/LICENCE
deleted file mode 100644
index e7ddd51..0000000
--- a/vendor/github.com/joho/godotenv/LICENCE
+++ /dev/null
@@ -1,23 +0,0 @@
-Copyright (c) 2013 John Barton
-
-MIT License
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
diff --git a/vendor/github.com/joho/godotenv/README.md b/vendor/github.com/joho/godotenv/README.md
deleted file mode 100644
index 05c47e6..0000000
--- a/vendor/github.com/joho/godotenv/README.md
+++ /dev/null
@@ -1,127 +0,0 @@
-# GoDotEnv [](https://app.wercker.com/project/bykey/507594c2ec7e60f19403a568dfea0f78)
-
-A Go (golang) port of the Ruby dotenv project (which loads env vars from a .env file)
-
-From the original Library:
-
-> Storing configuration in the environment is one of the tenets of a twelve-factor app. Anything that is likely to change between deployment environments–such as resource handles for databases or credentials for external services–should be extracted from the code into environment variables.
->
-> But it is not always practical to set environment variables on development machines or continuous integration servers where multiple projects are run. Dotenv load variables from a .env file into ENV when the environment is bootstrapped.
-
-It can be used as a library (for loading in env for your own daemons etc) or as a bin command.
-
-There is test coverage and CI for both linuxish and windows environments, but I make no guarantees about the bin version working on windows.
-
-## Installation
-
-As a library
-
-```shell
-go get github.com/joho/godotenv
-```
-
-or if you want to use it as a bin command
-```shell
-go get github.com/joho/godotenv/cmd/godotenv
-```
-
-## Usage
-
-Add your application configuration to your `.env` file in the root of your project:
-
-```shell
-S3_BUCKET=YOURS3BUCKET
-SECRET_KEY=YOURSECRETKEYGOESHERE
-```
-
-Then in your Go app you can do something like
-
-```go
-package main
-
-import (
- "github.com/joho/godotenv"
- "log"
- "os"
-)
-
-func main() {
- err := godotenv.Load()
- if err != nil {
- log.Fatal("Error loading .env file")
- }
-
- s3Bucket := os.Getenv("S3_BUCKET")
- secretKey := os.Getenv("SECRET_KEY")
-
- // now do something with s3 or whatever
-}
-```
-
-If you're even lazier than that, you can just take advantage of the autoload package which will read in `.env` on import
-
-```go
-import _ "github.com/joho/godotenv/autoload"
-```
-
-While `.env` in the project root is the default, you don't have to be constrained, both examples below are 100% legit
-
-```go
-_ = godotenv.Load("somerandomfile")
-_ = godotenv.Load("filenumberone.env", "filenumbertwo.env")
-```
-
-If you want to be really fancy with your env file you can do comments and exports (below is a valid env file)
-
-```shell
-# I am a comment and that is OK
-SOME_VAR=someval
-FOO=BAR # comments at line end are OK too
-export BAR=BAZ
-```
-
-Or finally you can do YAML(ish) style
-
-```yaml
-FOO: bar
-BAR: baz
-```
-
-as a final aside, if you don't want godotenv munging your env you can just get a map back instead
-
-```go
-var myEnv map[string]string
-myEnv, err := godotenv.Read()
-
-s3Bucket := myEnv["S3_BUCKET"]
-```
-
-### Command Mode
-
-Assuming you've installed the command as above and you've got `$GOPATH/bin` in your `$PATH`
-
-```
-godotenv -f /some/path/to/.env some_command with some args
-```
-
-If you don't specify `-f` it will fall back on the default of loading `.env` in `PWD`
-
-## Contributing
-
-Contributions are most welcome! The parser itself is pretty stupidly naive and I wouldn't be surprised if it breaks with edge cases.
-
-*code changes without tests will not be accepted*
-
-1. Fork it
-2. Create your feature branch (`git checkout -b my-new-feature`)
-3. Commit your changes (`git commit -am 'Added some feature'`)
-4. Push to the branch (`git push origin my-new-feature`)
-5. Create new Pull Request
-
-## CI
-
-Linux: [](https://app.wercker.com/project/bykey/507594c2ec7e60f19403a568dfea0f78) Windows: [](https://ci.appveyor.com/project/joho/godotenv)
-
-## Who?
-
-The original library [dotenv](https://github.com/bkeepers/dotenv) was written by [Brandon Keepers](http://opensoul.org/), and this port was done by [John Barton](http://whoisjohnbarton.com) based off the tests/fixtures in the original library.
diff --git a/vendor/github.com/joho/godotenv/autoload/autoload.go b/vendor/github.com/joho/godotenv/autoload/autoload.go
deleted file mode 100644
index fbcd2bd..0000000
--- a/vendor/github.com/joho/godotenv/autoload/autoload.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package autoload
-
-/*
- You can just read the .env file on import just by doing
-
- import _ "github.com/joho/godotenv/autoload"
-
- And bob's your mother's brother
-*/
-
-import "github.com/joho/godotenv"
-
-func init() {
- godotenv.Load()
-}
diff --git a/vendor/github.com/joho/godotenv/godotenv.go b/vendor/github.com/joho/godotenv/godotenv.go
deleted file mode 100644
index 94b2676..0000000
--- a/vendor/github.com/joho/godotenv/godotenv.go
+++ /dev/null
@@ -1,229 +0,0 @@
-// Package godotenv is a go port of the ruby dotenv library (https://github.com/bkeepers/dotenv)
-//
-// Examples/readme can be found on the github page at https://github.com/joho/godotenv
-//
-// The TL;DR is that you make a .env file that looks something like
-//
-// SOME_ENV_VAR=somevalue
-//
-// and then in your go code you can call
-//
-// godotenv.Load()
-//
-// and all the env vars declared in .env will be avaiable through os.Getenv("SOME_ENV_VAR")
-package godotenv
-
-import (
- "bufio"
- "errors"
- "os"
- "os/exec"
- "strings"
-)
-
-// Load will read your env file(s) and load them into ENV for this process.
-//
-// Call this function as close as possible to the start of your program (ideally in main)
-//
-// If you call Load without any args it will default to loading .env in the current path
-//
-// You can otherwise tell it which files to load (there can be more than one) like
-//
-// godotenv.Load("fileone", "filetwo")
-//
-// It's important to note that it WILL NOT OVERRIDE an env variable that already exists - consider the .env file to set dev vars or sensible defaults
-func Load(filenames ...string) (err error) {
- filenames = filenamesOrDefault(filenames)
-
- for _, filename := range filenames {
- err = loadFile(filename, false)
- if err != nil {
- return // return early on a spazout
- }
- }
- return
-}
-
-// Overload will read your env file(s) and load them into ENV for this process.
-//
-// Call this function as close as possible to the start of your program (ideally in main)
-//
-// If you call Overload without any args it will default to loading .env in the current path
-//
-// You can otherwise tell it which files to load (there can be more than one) like
-//
-// godotenv.Overload("fileone", "filetwo")
-//
-// It's important to note this WILL OVERRIDE an env variable that already exists - consider the .env file to forcefilly set all vars.
-func Overload(filenames ...string) (err error) {
- filenames = filenamesOrDefault(filenames)
-
- for _, filename := range filenames {
- err = loadFile(filename, true)
- if err != nil {
- return // return early on a spazout
- }
- }
- return
-}
-
-// Read all env (with same file loading semantics as Load) but return values as
-// a map rather than automatically writing values into env
-func Read(filenames ...string) (envMap map[string]string, err error) {
- filenames = filenamesOrDefault(filenames)
- envMap = make(map[string]string)
-
- for _, filename := range filenames {
- individualEnvMap, individualErr := readFile(filename)
-
- if individualErr != nil {
- err = individualErr
- return // return early on a spazout
- }
-
- for key, value := range individualEnvMap {
- envMap[key] = value
- }
- }
-
- return
-}
-
-// Exec loads env vars from the specified filenames (empty map falls back to default)
-// then executes the cmd specified.
-//
-// Simply hooks up os.Stdin/err/out to the command and calls Run()
-//
-// If you want more fine grained control over your command it's recommended
-// that you use `Load()` or `Read()` and the `os/exec` package yourself.
-func Exec(filenames []string, cmd string, cmdArgs []string) error {
- Load(filenames...)
-
- command := exec.Command(cmd, cmdArgs...)
- command.Stdin = os.Stdin
- command.Stdout = os.Stdout
- command.Stderr = os.Stderr
- return command.Run()
-}
-
-func filenamesOrDefault(filenames []string) []string {
- if len(filenames) == 0 {
- return []string{".env"}
- }
- return filenames
-}
-
-func loadFile(filename string, overload bool) error {
- envMap, err := readFile(filename)
- if err != nil {
- return err
- }
-
- for key, value := range envMap {
- if os.Getenv(key) == "" || overload {
- os.Setenv(key, value)
- }
- }
-
- return nil
-}
-
-func readFile(filename string) (envMap map[string]string, err error) {
- file, err := os.Open(filename)
- if err != nil {
- return
- }
- defer file.Close()
-
- envMap = make(map[string]string)
-
- var lines []string
- scanner := bufio.NewScanner(file)
- for scanner.Scan() {
- lines = append(lines, scanner.Text())
- }
-
- for _, fullLine := range lines {
- if !isIgnoredLine(fullLine) {
- key, value, err := parseLine(fullLine)
-
- if err == nil {
- envMap[key] = value
- }
- }
- }
- return
-}
-
-func parseLine(line string) (key string, value string, err error) {
- if len(line) == 0 {
- err = errors.New("zero length string")
- return
- }
-
- // ditch the comments (but keep quoted hashes)
- if strings.Contains(line, "#") {
- segmentsBetweenHashes := strings.Split(line, "#")
- quotesAreOpen := false
- var segmentsToKeep []string
- for _, segment := range segmentsBetweenHashes {
- if strings.Count(segment, "\"") == 1 || strings.Count(segment, "'") == 1 {
- if quotesAreOpen {
- quotesAreOpen = false
- segmentsToKeep = append(segmentsToKeep, segment)
- } else {
- quotesAreOpen = true
- }
- }
-
- if len(segmentsToKeep) == 0 || quotesAreOpen {
- segmentsToKeep = append(segmentsToKeep, segment)
- }
- }
-
- line = strings.Join(segmentsToKeep, "#")
- }
-
- // now split key from value
- splitString := strings.SplitN(line, "=", 2)
-
- if len(splitString) != 2 {
- // try yaml mode!
- splitString = strings.SplitN(line, ":", 2)
- }
-
- if len(splitString) != 2 {
- err = errors.New("Can't separate key from value")
- return
- }
-
- // Parse the key
- key = splitString[0]
- if strings.HasPrefix(key, "export") {
- key = strings.TrimPrefix(key, "export")
- }
- key = strings.Trim(key, " ")
-
- // Parse the value
- value = splitString[1]
- // trim
- value = strings.Trim(value, " ")
-
- // check if we've got quoted values
- if strings.Count(value, "\"") == 2 || strings.Count(value, "'") == 2 {
- // pull the quotes off the edges
- value = strings.Trim(value, "\"'")
-
- // expand quotes
- value = strings.Replace(value, "\\\"", "\"", -1)
- // expand newlines
- value = strings.Replace(value, "\\n", "\n", -1)
- }
-
- return
-}
-
-func isIgnoredLine(line string) bool {
- trimmedLine := strings.Trim(line, " \n\t")
- return len(trimmedLine) == 0 || strings.HasPrefix(trimmedLine, "#")
-}
diff --git a/vendor/github.com/joho/godotenv/wercker.yml b/vendor/github.com/joho/godotenv/wercker.yml
deleted file mode 100644
index c716ac9..0000000
--- a/vendor/github.com/joho/godotenv/wercker.yml
+++ /dev/null
@@ -1 +0,0 @@
-box: pjvds/golang
diff --git a/vendor/github.com/urfave/cli/CHANGELOG.md b/vendor/github.com/urfave/cli/CHANGELOG.md
deleted file mode 100644
index 26dd564..0000000
--- a/vendor/github.com/urfave/cli/CHANGELOG.md
+++ /dev/null
@@ -1,335 +0,0 @@
-# Change Log
-
-**ATTN**: This project uses [semantic versioning](http://semver.org/).
-
-## [Unreleased]
-### Added
-- Flag type code generation via `go generate`
-- Write to stderr and exit 1 if action returns non-nil error
-
-### Changed
-- Raise minimum tested/supported Go version to 1.2+
-
-## [1.18.0] - 2016-06-27
-### Added
-- `./runtests` test runner with coverage tracking by default
-- testing on OS X
-- testing on Windows
-- `UintFlag`, `Uint64Flag`, and `Int64Flag` types and supporting code
-
-### Changed
-- Use spaces for alignment in help/usage output instead of tabs, making the
- output alignment consistent regardless of tab width
-
-### Fixed
-- Printing of command aliases in help text
-- Printing of visible flags for both struct and struct pointer flags
-- Display the `help` subcommand when using `CommandCategories`
-- No longer swallows `panic`s that occur within the `Action`s themselves when
- detecting the signature of the `Action` field
-
-## [1.17.0] - 2016-05-09
-### Added
-- Pluggable flag-level help text rendering via `cli.DefaultFlagStringFunc`
-- `context.GlobalBoolT` was added as an analogue to `context.GlobalBool`
-- Support for hiding commands by setting `Hidden: true` -- this will hide the
- commands in help output
-
-### Changed
-- `Float64Flag`, `IntFlag`, and `DurationFlag` default values are no longer
- quoted in help text output.
-- All flag types now include `(default: {value})` strings following usage when a
- default value can be (reasonably) detected.
-- `IntSliceFlag` and `StringSliceFlag` usage strings are now more consistent
- with non-slice flag types
-- Apps now exit with a code of 3 if an unknown subcommand is specified
- (previously they printed "No help topic for...", but still exited 0. This
- makes it easier to script around apps built using `cli` since they can trust
- that a 0 exit code indicated a successful execution.
-- cleanups based on [Go Report Card
- feedback](https://goreportcard.com/report/github.com/urfave/cli)
-
-## [1.16.0] - 2016-05-02
-### Added
-- `Hidden` field on all flag struct types to omit from generated help text
-
-### Changed
-- `BashCompletionFlag` (`--enable-bash-completion`) is now omitted from
-generated help text via the `Hidden` field
-
-### Fixed
-- handling of error values in `HandleAction` and `HandleExitCoder`
-
-## [1.15.0] - 2016-04-30
-### Added
-- This file!
-- Support for placeholders in flag usage strings
-- `App.Metadata` map for arbitrary data/state management
-- `Set` and `GlobalSet` methods on `*cli.Context` for altering values after
-parsing.
-- Support for nested lookup of dot-delimited keys in structures loaded from
-YAML.
-
-### Changed
-- The `App.Action` and `Command.Action` now prefer a return signature of
-`func(*cli.Context) error`, as defined by `cli.ActionFunc`. If a non-nil
-`error` is returned, there may be two outcomes:
- - If the error fulfills `cli.ExitCoder`, then `os.Exit` will be called
- automatically
- - Else the error is bubbled up and returned from `App.Run`
-- Specifying an `Action` with the legacy return signature of
-`func(*cli.Context)` will produce a deprecation message to stderr
-- Specifying an `Action` that is not a `func` type will produce a non-zero exit
-from `App.Run`
-- Specifying an `Action` func that has an invalid (input) signature will
-produce a non-zero exit from `App.Run`
-
-### Deprecated
--
-`cli.App.RunAndExitOnError`, which should now be done by returning an error
-that fulfills `cli.ExitCoder` to `cli.App.Run`.
-- the legacy signature for
-`cli.App.Action` of `func(*cli.Context)`, which should now have a return
-signature of `func(*cli.Context) error`, as defined by `cli.ActionFunc`.
-
-### Fixed
-- Added missing `*cli.Context.GlobalFloat64` method
-
-## [1.14.0] - 2016-04-03 (backfilled 2016-04-25)
-### Added
-- Codebeat badge
-- Support for categorization via `CategorizedHelp` and `Categories` on app.
-
-### Changed
-- Use `filepath.Base` instead of `path.Base` in `Name` and `HelpName`.
-
-### Fixed
-- Ensure version is not shown in help text when `HideVersion` set.
-
-## [1.13.0] - 2016-03-06 (backfilled 2016-04-25)
-### Added
-- YAML file input support.
-- `NArg` method on context.
-
-## [1.12.0] - 2016-02-17 (backfilled 2016-04-25)
-### Added
-- Custom usage error handling.
-- Custom text support in `USAGE` section of help output.
-- Improved help messages for empty strings.
-- AppVeyor CI configuration.
-
-### Changed
-- Removed `panic` from default help printer func.
-- De-duping and optimizations.
-
-### Fixed
-- Correctly handle `Before`/`After` at command level when no subcommands.
-- Case of literal `-` argument causing flag reordering.
-- Environment variable hints on Windows.
-- Docs updates.
-
-## [1.11.1] - 2015-12-21 (backfilled 2016-04-25)
-### Changed
-- Use `path.Base` in `Name` and `HelpName`
-- Export `GetName` on flag types.
-
-### Fixed
-- Flag parsing when skipping is enabled.
-- Test output cleanup.
-- Move completion check to account for empty input case.
-
-## [1.11.0] - 2015-11-15 (backfilled 2016-04-25)
-### Added
-- Destination scan support for flags.
-- Testing against `tip` in Travis CI config.
-
-### Changed
-- Go version in Travis CI config.
-
-### Fixed
-- Removed redundant tests.
-- Use correct example naming in tests.
-
-## [1.10.2] - 2015-10-29 (backfilled 2016-04-25)
-### Fixed
-- Remove unused var in bash completion.
-
-## [1.10.1] - 2015-10-21 (backfilled 2016-04-25)
-### Added
-- Coverage and reference logos in README.
-
-### Fixed
-- Use specified values in help and version parsing.
-- Only display app version and help message once.
-
-## [1.10.0] - 2015-10-06 (backfilled 2016-04-25)
-### Added
-- More tests for existing functionality.
-- `ArgsUsage` at app and command level for help text flexibility.
-
-### Fixed
-- Honor `HideHelp` and `HideVersion` in `App.Run`.
-- Remove juvenile word from README.
-
-## [1.9.0] - 2015-09-08 (backfilled 2016-04-25)
-### Added
-- `FullName` on command with accompanying help output update.
-- Set default `$PROG` in bash completion.
-
-### Changed
-- Docs formatting.
-
-### Fixed
-- Removed self-referential imports in tests.
-
-## [1.8.0] - 2015-06-30 (backfilled 2016-04-25)
-### Added
-- Support for `Copyright` at app level.
-- `Parent` func at context level to walk up context lineage.
-
-### Fixed
-- Global flag processing at top level.
-
-## [1.7.1] - 2015-06-11 (backfilled 2016-04-25)
-### Added
-- Aggregate errors from `Before`/`After` funcs.
-- Doc comments on flag structs.
-- Include non-global flags when checking version and help.
-- Travis CI config updates.
-
-### Fixed
-- Ensure slice type flags have non-nil values.
-- Collect global flags from the full command hierarchy.
-- Docs prose.
-
-## [1.7.0] - 2015-05-03 (backfilled 2016-04-25)
-### Changed
-- `HelpPrinter` signature includes output writer.
-
-### Fixed
-- Specify go 1.1+ in docs.
-- Set `Writer` when running command as app.
-
-## [1.6.0] - 2015-03-23 (backfilled 2016-04-25)
-### Added
-- Multiple author support.
-- `NumFlags` at context level.
-- `Aliases` at command level.
-
-### Deprecated
-- `ShortName` at command level.
-
-### Fixed
-- Subcommand help output.
-- Backward compatible support for deprecated `Author` and `Email` fields.
-- Docs regarding `Names`/`Aliases`.
-
-## [1.5.0] - 2015-02-20 (backfilled 2016-04-25)
-### Added
-- `After` hook func support at app and command level.
-
-### Fixed
-- Use parsed context when running command as subcommand.
-- Docs prose.
-
-## [1.4.1] - 2015-01-09 (backfilled 2016-04-25)
-### Added
-- Support for hiding `-h / --help` flags, but not `help` subcommand.
-- Stop flag parsing after `--`.
-
-### Fixed
-- Help text for generic flags to specify single value.
-- Use double quotes in output for defaults.
-- Use `ParseInt` instead of `ParseUint` for int environment var values.
-- Use `0` as base when parsing int environment var values.
-
-## [1.4.0] - 2014-12-12 (backfilled 2016-04-25)
-### Added
-- Support for environment variable lookup "cascade".
-- Support for `Stdout` on app for output redirection.
-
-### Fixed
-- Print command help instead of app help in `ShowCommandHelp`.
-
-## [1.3.1] - 2014-11-13 (backfilled 2016-04-25)
-### Added
-- Docs and example code updates.
-
-### Changed
-- Default `-v / --version` flag made optional.
-
-## [1.3.0] - 2014-08-10 (backfilled 2016-04-25)
-### Added
-- `FlagNames` at context level.
-- Exposed `VersionPrinter` var for more control over version output.
-- Zsh completion hook.
-- `AUTHOR` section in default app help template.
-- Contribution guidelines.
-- `DurationFlag` type.
-
-## [1.2.0] - 2014-08-02
-### Added
-- Support for environment variable defaults on flags plus tests.
-
-## [1.1.0] - 2014-07-15
-### Added
-- Bash completion.
-- Optional hiding of built-in help command.
-- Optional skipping of flag parsing at command level.
-- `Author`, `Email`, and `Compiled` metadata on app.
-- `Before` hook func support at app and command level.
-- `CommandNotFound` func support at app level.
-- Command reference available on context.
-- `GenericFlag` type.
-- `Float64Flag` type.
-- `BoolTFlag` type.
-- `IsSet` flag helper on context.
-- More flag lookup funcs at context level.
-- More tests & docs.
-
-### Changed
-- Help template updates to account for presence/absence of flags.
-- Separated subcommand help template.
-- Exposed `HelpPrinter` var for more control over help output.
-
-## [1.0.0] - 2013-11-01
-### Added
-- `help` flag in default app flag set and each command flag set.
-- Custom handling of argument parsing errors.
-- Command lookup by name at app level.
-- `StringSliceFlag` type and supporting `StringSlice` type.
-- `IntSliceFlag` type and supporting `IntSlice` type.
-- Slice type flag lookups by name at context level.
-- Export of app and command help functions.
-- More tests & docs.
-
-## 0.1.0 - 2013-07-22
-### Added
-- Initial implementation.
-
-[Unreleased]: https://github.com/urfave/cli/compare/v1.18.0...HEAD
-[1.18.0]: https://github.com/urfave/cli/compare/v1.17.0...v1.18.0
-[1.17.0]: https://github.com/urfave/cli/compare/v1.16.0...v1.17.0
-[1.16.0]: https://github.com/urfave/cli/compare/v1.15.0...v1.16.0
-[1.15.0]: https://github.com/urfave/cli/compare/v1.14.0...v1.15.0
-[1.14.0]: https://github.com/urfave/cli/compare/v1.13.0...v1.14.0
-[1.13.0]: https://github.com/urfave/cli/compare/v1.12.0...v1.13.0
-[1.12.0]: https://github.com/urfave/cli/compare/v1.11.1...v1.12.0
-[1.11.1]: https://github.com/urfave/cli/compare/v1.11.0...v1.11.1
-[1.11.0]: https://github.com/urfave/cli/compare/v1.10.2...v1.11.0
-[1.10.2]: https://github.com/urfave/cli/compare/v1.10.1...v1.10.2
-[1.10.1]: https://github.com/urfave/cli/compare/v1.10.0...v1.10.1
-[1.10.0]: https://github.com/urfave/cli/compare/v1.9.0...v1.10.0
-[1.9.0]: https://github.com/urfave/cli/compare/v1.8.0...v1.9.0
-[1.8.0]: https://github.com/urfave/cli/compare/v1.7.1...v1.8.0
-[1.7.1]: https://github.com/urfave/cli/compare/v1.7.0...v1.7.1
-[1.7.0]: https://github.com/urfave/cli/compare/v1.6.0...v1.7.0
-[1.6.0]: https://github.com/urfave/cli/compare/v1.5.0...v1.6.0
-[1.5.0]: https://github.com/urfave/cli/compare/v1.4.1...v1.5.0
-[1.4.1]: https://github.com/urfave/cli/compare/v1.4.0...v1.4.1
-[1.4.0]: https://github.com/urfave/cli/compare/v1.3.1...v1.4.0
-[1.3.1]: https://github.com/urfave/cli/compare/v1.3.0...v1.3.1
-[1.3.0]: https://github.com/urfave/cli/compare/v1.2.0...v1.3.0
-[1.2.0]: https://github.com/urfave/cli/compare/v1.1.0...v1.2.0
-[1.1.0]: https://github.com/urfave/cli/compare/v1.0.0...v1.1.0
-[1.0.0]: https://github.com/urfave/cli/compare/v0.1.0...v1.0.0
diff --git a/vendor/github.com/urfave/cli/LICENSE b/vendor/github.com/urfave/cli/LICENSE
deleted file mode 100644
index 42a597e..0000000
--- a/vendor/github.com/urfave/cli/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2016 Jeremy Saenz & Contributors
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/vendor/github.com/urfave/cli/README.md b/vendor/github.com/urfave/cli/README.md
deleted file mode 100644
index 615e95d..0000000
--- a/vendor/github.com/urfave/cli/README.md
+++ /dev/null
@@ -1,1307 +0,0 @@
-cli
-===
-
-[](https://travis-ci.org/urfave/cli)
-[](https://ci.appveyor.com/project/urfave/cli)
-[](https://godoc.org/github.com/urfave/cli)
-[](https://codebeat.co/projects/github-com-urfave-cli)
-[](https://goreportcard.com/report/urfave/cli)
-[](http://gocover.io/github.com/urfave/cli) /
-[](http://gocover.io/github.com/urfave/cli/altsrc)
-
-**Notice:** This is the library formerly known as
-`github.com/codegangsta/cli` -- Github will automatically redirect requests
-to this repository, but we recommend updating your references for clarity.
-
-cli is a simple, fast, and fun package for building command line apps in Go. The
-goal is to enable developers to write fast and distributable command line
-applications in an expressive way.
-
-
-
-- [Overview](#overview)
-- [Installation](#installation)
- * [Supported platforms](#supported-platforms)
- * [Using the `v2` branch](#using-the-v2-branch)
- * [Pinning to the `v1` branch](#pinning-to-the-v1-branch)
-- [Getting Started](#getting-started)
-- [Examples](#examples)
- * [Arguments](#arguments)
- * [Flags](#flags)
- + [Placeholder Values](#placeholder-values)
- + [Alternate Names](#alternate-names)
- + [Values from the Environment](#values-from-the-environment)
- + [Values from alternate input sources (YAML and others)](#values-from-alternate-input-sources-yaml-and-others)
- * [Subcommands](#subcommands)
- * [Subcommands categories](#subcommands-categories)
- * [Exit code](#exit-code)
- * [Bash Completion](#bash-completion)
- + [Enabling](#enabling)
- + [Distribution](#distribution)
- + [Customization](#customization)
- * [Generated Help Text](#generated-help-text)
- + [Customization](#customization-1)
- * [Version Flag](#version-flag)
- + [Customization](#customization-2)
- + [Full API Example](#full-api-example)
-- [Contribution Guidelines](#contribution-guidelines)
-
-
-
-## Overview
-
-Command line apps are usually so tiny that there is absolutely no reason why
-your code should *not* be self-documenting. Things like generating help text and
-parsing command flags/options should not hinder productivity when writing a
-command line app.
-
-**This is where cli comes into play.** cli makes command line programming fun,
-organized, and expressive!
-
-## Installation
-
-Make sure you have a working Go environment. Go version 1.2+ is supported. [See
-the install instructions for Go](http://golang.org/doc/install.html).
-
-To install cli, simply run:
-```
-$ go get github.com/urfave/cli
-```
-
-Make sure your `PATH` includes the `$GOPATH/bin` directory so your commands can
-be easily used:
-```
-export PATH=$PATH:$GOPATH/bin
-```
-
-### Supported platforms
-
-cli is tested against multiple versions of Go on Linux, and against the latest
-released version of Go on OS X and Windows. For full details, see
-[`./.travis.yml`](./.travis.yml) and [`./appveyor.yml`](./appveyor.yml).
-
-### Using the `v2` branch
-
-**Warning**: The `v2` branch is currently unreleased and considered unstable.
-
-There is currently a long-lived branch named `v2` that is intended to land as
-the new `master` branch once development there has settled down. The current
-`master` branch (mirrored as `v1`) is being manually merged into `v2` on
-an irregular human-based schedule, but generally if one wants to "upgrade" to
-`v2` *now* and accept the volatility (read: "awesomeness") that comes along with
-that, please use whatever version pinning of your preference, such as via
-`gopkg.in`:
-
-```
-$ go get gopkg.in/urfave/cli.v2
-```
-
-``` go
-...
-import (
- "gopkg.in/urfave/cli.v2" // imports as package "cli"
-)
-...
-```
-
-### Pinning to the `v1` branch
-
-Similarly to the section above describing use of the `v2` branch, if one wants
-to avoid any unexpected compatibility pains once `v2` becomes `master`, then
-pinning to the `v1` branch is an acceptable option, e.g.:
-
-```
-$ go get gopkg.in/urfave/cli.v1
-```
-
-``` go
-...
-import (
- "gopkg.in/urfave/cli.v1" // imports as package "cli"
-)
-...
-```
-
-## Getting Started
-
-One of the philosophies behind cli is that an API should be playful and full of
-discovery. So a cli app can be as little as one line of code in `main()`.
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- cli.NewApp().Run(os.Args)
-}
-```
-
-This app will run and show help text, but is not very useful. Let's give an
-action to execute and some help documentation:
-
-
-``` go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
- app.Name = "boom"
- app.Usage = "make an explosive entrance"
- app.Action = func(c *cli.Context) error {
- fmt.Println("boom! I say!")
- return nil
- }
-
- app.Run(os.Args)
-}
-```
-
-Running this already gives you a ton of functionality, plus support for things
-like subcommands and flags, which are covered below.
-
-## Examples
-
-Being a programmer can be a lonely job. Thankfully by the power of automation
-that is not the case! Let's create a greeter app to fend off our demons of
-loneliness!
-
-Start by creating a directory named `greet`, and within it, add a file,
-`greet.go` with the following code in it:
-
-
-``` go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
- app.Name = "greet"
- app.Usage = "fight the loneliness!"
- app.Action = func(c *cli.Context) error {
- fmt.Println("Hello friend!")
- return nil
- }
-
- app.Run(os.Args)
-}
-```
-
-Install our command to the `$GOPATH/bin` directory:
-
-```
-$ go install
-```
-
-Finally run our new command:
-
-```
-$ greet
-Hello friend!
-```
-
-cli also generates neat help text:
-
-```
-$ greet help
-NAME:
- greet - fight the loneliness!
-
-USAGE:
- greet [global options] command [command options] [arguments...]
-
-VERSION:
- 0.0.0
-
-COMMANDS:
- help, h Shows a list of commands or help for one command
-
-GLOBAL OPTIONS
- --version Shows version information
-```
-
-### Arguments
-
-You can lookup arguments by calling the `Args` function on `cli.Context`, e.g.:
-
-
-``` go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Action = func(c *cli.Context) error {
- fmt.Printf("Hello %q", c.Args().Get(0))
- return nil
- }
-
- app.Run(os.Args)
-}
-```
-
-### Flags
-
-Setting and querying flags is simple.
-
-
-``` go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Flags = []cli.Flag {
- cli.StringFlag{
- Name: "lang",
- Value: "english",
- Usage: "language for the greeting",
- },
- }
-
- app.Action = func(c *cli.Context) error {
- name := "Nefertiti"
- if c.NArg() > 0 {
- name = c.Args().Get(0)
- }
- if c.String("lang") == "spanish" {
- fmt.Println("Hola", name)
- } else {
- fmt.Println("Hello", name)
- }
- return nil
- }
-
- app.Run(os.Args)
-}
-```
-
-You can also set a destination variable for a flag, to which the content will be
-scanned.
-
-
-``` go
-package main
-
-import (
- "os"
- "fmt"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- var language string
-
- app := cli.NewApp()
-
- app.Flags = []cli.Flag {
- cli.StringFlag{
- Name: "lang",
- Value: "english",
- Usage: "language for the greeting",
- Destination: &language,
- },
- }
-
- app.Action = func(c *cli.Context) error {
- name := "someone"
- if c.NArg() > 0 {
- name = c.Args()[0]
- }
- if language == "spanish" {
- fmt.Println("Hola", name)
- } else {
- fmt.Println("Hello", name)
- }
- return nil
- }
-
- app.Run(os.Args)
-}
-```
-
-See full list of flags at http://godoc.org/github.com/urfave/cli
-
-#### Placeholder Values
-
-Sometimes it's useful to specify a flag's value within the usage string itself.
-Such placeholders are indicated with back quotes.
-
-For example this:
-
-
-```go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Flags = []cli.Flag{
- cli.StringFlag{
- Name: "config, c",
- Usage: "Load configuration from `FILE`",
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-Will result in help output like:
-
-```
---config FILE, -c FILE Load configuration from FILE
-```
-
-Note that only the first placeholder is used. Subsequent back-quoted words will
-be left as-is.
-
-#### Alternate Names
-
-You can set alternate (or short) names for flags by providing a comma-delimited
-list for the `Name`. e.g.
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Flags = []cli.Flag {
- cli.StringFlag{
- Name: "lang, l",
- Value: "english",
- Usage: "language for the greeting",
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-That flag can then be set with `--lang spanish` or `-l spanish`. Note that
-giving two different forms of the same flag in the same command invocation is an
-error.
-
-#### Values from the Environment
-
-You can also have the default value set from the environment via `EnvVar`. e.g.
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Flags = []cli.Flag {
- cli.StringFlag{
- Name: "lang, l",
- Value: "english",
- Usage: "language for the greeting",
- EnvVar: "APP_LANG",
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-The `EnvVar` may also be given as a comma-delimited "cascade", where the first
-environment variable that resolves is used as the default.
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Flags = []cli.Flag {
- cli.StringFlag{
- Name: "lang, l",
- Value: "english",
- Usage: "language for the greeting",
- EnvVar: "LEGACY_COMPAT_LANG,APP_LANG,LANG",
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-#### Values from alternate input sources (YAML and others)
-
-There is a separate package altsrc that adds support for getting flag values
-from other input sources like YAML.
-
-In order to get values for a flag from an alternate input source the following
-code would be added to wrap an existing cli.Flag like below:
-
-``` go
- altsrc.NewIntFlag(cli.IntFlag{Name: "test"})
-```
-
-Initialization must also occur for these flags. Below is an example initializing
-getting data from a yaml file below.
-
-``` go
- command.Before = altsrc.InitInputSourceWithContext(command.Flags, NewYamlSourceFromFlagFunc("load"))
-```
-
-The code above will use the "load" string as a flag name to get the file name of
-a yaml file from the cli.Context. It will then use that file name to initialize
-the yaml input source for any flags that are defined on that command. As a note
-the "load" flag used would also have to be defined on the command flags in order
-for this code snipped to work.
-
-Currently only YAML files are supported but developers can add support for other
-input sources by implementing the altsrc.InputSourceContext for their given
-sources.
-
-Here is a more complete sample of a command using YAML support:
-
-
-``` go
-package notmain
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
- "github.com/urfave/cli/altsrc"
-)
-
-func main() {
- app := cli.NewApp()
-
- flags := []cli.Flag{
- altsrc.NewIntFlag(cli.IntFlag{Name: "test"}),
- cli.StringFlag{Name: "load"},
- }
-
- app.Action = func(c *cli.Context) error {
- fmt.Println("yaml ist rad")
- return nil
- }
-
- app.Before = altsrc.InitInputSourceWithContext(flags, altsrc.NewYamlSourceFromFlagFunc("load"))
- app.Flags = flags
-
- app.Run(os.Args)
-}
-```
-
-### Subcommands
-
-Subcommands can be defined for a more git-like command line app.
-
-
-```go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Commands = []cli.Command{
- {
- Name: "add",
- Aliases: []string{"a"},
- Usage: "add a task to the list",
- Action: func(c *cli.Context) error {
- fmt.Println("added task: ", c.Args().First())
- return nil
- },
- },
- {
- Name: "complete",
- Aliases: []string{"c"},
- Usage: "complete a task on the list",
- Action: func(c *cli.Context) error {
- fmt.Println("completed task: ", c.Args().First())
- return nil
- },
- },
- {
- Name: "template",
- Aliases: []string{"t"},
- Usage: "options for task templates",
- Subcommands: []cli.Command{
- {
- Name: "add",
- Usage: "add a new template",
- Action: func(c *cli.Context) error {
- fmt.Println("new task template: ", c.Args().First())
- return nil
- },
- },
- {
- Name: "remove",
- Usage: "remove an existing template",
- Action: func(c *cli.Context) error {
- fmt.Println("removed task template: ", c.Args().First())
- return nil
- },
- },
- },
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-### Subcommands categories
-
-For additional organization in apps that have many subcommands, you can
-associate a category for each command to group them together in the help
-output.
-
-E.g.
-
-```go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
-
- app.Commands = []cli.Command{
- {
- Name: "noop",
- },
- {
- Name: "add",
- Category: "template",
- },
- {
- Name: "remove",
- Category: "template",
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-Will include:
-
-```
-COMMANDS:
- noop
-
- Template actions:
- add
- remove
-```
-
-### Exit code
-
-Calling `App.Run` will not automatically call `os.Exit`, which means that by
-default the exit code will "fall through" to being `0`. An explicit exit code
-may be set by returning a non-nil error that fulfills `cli.ExitCoder`, *or* a
-`cli.MultiError` that includes an error that fulfills `cli.ExitCoder`, e.g.:
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- app := cli.NewApp()
- app.Flags = []cli.Flag{
- cli.BoolTFlag{
- Name: "ginger-crouton",
- Usage: "is it in the soup?",
- },
- }
- app.Action = func(ctx *cli.Context) error {
- if !ctx.Bool("ginger-crouton") {
- return cli.NewExitError("it is not in the soup", 86)
- }
- return nil
- }
-
- app.Run(os.Args)
-}
-```
-
-### Bash Completion
-
-You can enable completion commands by setting the `EnableBashCompletion`
-flag on the `App` object. By default, this setting will only auto-complete to
-show an app's subcommands, but you can write your own completion methods for
-the App or its subcommands.
-
-
-``` go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- tasks := []string{"cook", "clean", "laundry", "eat", "sleep", "code"}
-
- app := cli.NewApp()
- app.EnableBashCompletion = true
- app.Commands = []cli.Command{
- {
- Name: "complete",
- Aliases: []string{"c"},
- Usage: "complete a task on the list",
- Action: func(c *cli.Context) error {
- fmt.Println("completed task: ", c.Args().First())
- return nil
- },
- BashComplete: func(c *cli.Context) {
- // This will complete if no args are passed
- if c.NArg() > 0 {
- return
- }
- for _, t := range tasks {
- fmt.Println(t)
- }
- },
- },
- }
-
- app.Run(os.Args)
-}
-```
-
-#### Enabling
-
-Source the `autocomplete/bash_autocomplete` file in your `.bashrc` file while
-setting the `PROG` variable to the name of your program:
-
-`PROG=myprogram source /.../cli/autocomplete/bash_autocomplete`
-
-#### Distribution
-
-Copy `autocomplete/bash_autocomplete` into `/etc/bash_completion.d/` and rename
-it to the name of the program you wish to add autocomplete support for (or
-automatically install it there if you are distributing a package). Don't forget
-to source the file to make it active in the current shell.
-
-```
-sudo cp src/bash_autocomplete /etc/bash_completion.d/
-source /etc/bash_completion.d/
-```
-
-Alternatively, you can just document that users should source the generic
-`autocomplete/bash_autocomplete` in their bash configuration with `$PROG` set
-to the name of their program (as above).
-
-#### Customization
-
-The default bash completion flag (`--generate-bash-completion`) is defined as
-`cli.BashCompletionFlag`, and may be redefined if desired, e.g.:
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- cli.BashCompletionFlag = cli.BoolFlag{
- Name: "compgen",
- Hidden: true,
- }
-
- app := cli.NewApp()
- app.EnableBashCompletion = true
- app.Commands = []cli.Command{
- {
- Name: "wat",
- },
- }
- app.Run(os.Args)
-}
-```
-
-### Generated Help Text
-
-The default help flag (`-h/--help`) is defined as `cli.HelpFlag` and is checked
-by the cli internals in order to print generated help text for the app, command,
-or subcommand, and break execution.
-
-#### Customization
-
-All of the help text generation may be customized, and at multiple levels. The
-templates are exposed as variables `AppHelpTemplate`, `CommandHelpTemplate`, and
-`SubcommandHelpTemplate` which may be reassigned or augmented, and full override
-is possible by assigning a compatible func to the `cli.HelpPrinter` variable,
-e.g.:
-
-
-``` go
-package main
-
-import (
- "fmt"
- "io"
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- // EXAMPLE: Append to an existing template
- cli.AppHelpTemplate = fmt.Sprintf(`%s
-
-WEBSITE: http://awesometown.example.com
-
-SUPPORT: support@awesometown.example.com
-
-`, cli.AppHelpTemplate)
-
- // EXAMPLE: Override a template
- cli.AppHelpTemplate = `NAME:
- {{.Name}} - {{.Usage}}
-USAGE:
- {{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command
-[command options]{{end}} {{if
-.ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}
- {{if len .Authors}}
-AUTHOR(S):
- {{range .Authors}}{{ . }}{{end}}
- {{end}}{{if .Commands}}
-COMMANDS:
-{{range .Commands}}{{if not .HideHelp}} {{join .Names ", "}}{{ "\t"
-}}{{.Usage}}{{ "\n" }}{{end}}{{end}}{{end}}{{if .VisibleFlags}}
-GLOBAL OPTIONS:
- {{range .VisibleFlags}}{{.}}
- {{end}}{{end}}{{if .Copyright }}
-COPYRIGHT:
- {{.Copyright}}
- {{end}}{{if .Version}}
-VERSION:
- {{.Version}}
- {{end}}
-`
-
- // EXAMPLE: Replace the `HelpPrinter` func
- cli.HelpPrinter = func(w io.Writer, templ string, data interface{}) {
- fmt.Println("Ha HA. I pwnd the help!!1")
- }
-
- cli.NewApp().Run(os.Args)
-}
-```
-
-The default flag may be customized to something other than `-h/--help` by
-setting `cli.HelpFlag`, e.g.:
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- cli.HelpFlag = cli.BoolFlag{
- Name: "halp, haaaaalp",
- Usage: "HALP",
- EnvVar: "SHOW_HALP,HALPPLZ",
- }
-
- cli.NewApp().Run(os.Args)
-}
-```
-
-### Version Flag
-
-The default version flag (`-v/--version`) is defined as `cli.VersionFlag`, which
-is checked by the cli internals in order to print the `App.Version` via
-`cli.VersionPrinter` and break execution.
-
-#### Customization
-
-The default flag may be cusomized to something other than `-v/--version` by
-setting `cli.VersionFlag`, e.g.:
-
-
-``` go
-package main
-
-import (
- "os"
-
- "github.com/urfave/cli"
-)
-
-func main() {
- cli.VersionFlag = cli.BoolFlag{
- Name: "print-version, V",
- Usage: "print only the version",
- }
-
- app := cli.NewApp()
- app.Name = "partay"
- app.Version = "19.99.0"
- app.Run(os.Args)
-}
-```
-
-Alternatively, the version printer at `cli.VersionPrinter` may be overridden, e.g.:
-
-
-``` go
-package main
-
-import (
- "fmt"
- "os"
-
- "github.com/urfave/cli"
-)
-
-var (
- Revision = "fafafaf"
-)
-
-func main() {
- cli.VersionPrinter = func(c *cli.Context) {
- fmt.Printf("version=%s revision=%s\n", c.App.Version, Revision)
- }
-
- app := cli.NewApp()
- app.Name = "partay"
- app.Version = "19.99.0"
- app.Run(os.Args)
-}
-```
-
-#### Full API Example
-
-**Notice**: This is a contrived (functioning) example meant strictly for API
-demonstration purposes. Use of one's imagination is encouraged.
-
-
-``` go
-package main
-
-import (
- "errors"
- "flag"
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "time"
-
- "github.com/urfave/cli"
-)
-
-func init() {
- cli.AppHelpTemplate += "\nCUSTOMIZED: you bet ur muffins\n"
- cli.CommandHelpTemplate += "\nYMMV\n"
- cli.SubcommandHelpTemplate += "\nor something\n"
-
- cli.HelpFlag = cli.BoolFlag{Name: "halp"}
- cli.BashCompletionFlag = cli.BoolFlag{Name: "compgen", Hidden: true}
- cli.VersionFlag = cli.BoolFlag{Name: "print-version, V"}
-
- cli.HelpPrinter = func(w io.Writer, templ string, data interface{}) {
- fmt.Fprintf(w, "best of luck to you\n")
- }
- cli.VersionPrinter = func(c *cli.Context) {
- fmt.Fprintf(c.App.Writer, "version=%s\n", c.App.Version)
- }
- cli.OsExiter = func(c int) {
- fmt.Fprintf(cli.ErrWriter, "refusing to exit %d\n", c)
- }
- cli.ErrWriter = ioutil.Discard
- cli.FlagStringer = func(fl cli.Flag) string {
- return fmt.Sprintf("\t\t%s", fl.GetName())
- }
-}
-
-type hexWriter struct{}
-
-func (w *hexWriter) Write(p []byte) (int, error) {
- for _, b := range p {
- fmt.Printf("%x", b)
- }
- fmt.Printf("\n")
-
- return len(p), nil
-}
-
-type genericType struct{
- s string
-}
-
-func (g *genericType) Set(value string) error {
- g.s = value
- return nil
-}
-
-func (g *genericType) String() string {
- return g.s
-}
-
-func main() {
- app := cli.NewApp()
- app.Name = "kənˈtrīv"
- app.Version = "19.99.0"
- app.Compiled = time.Now()
- app.Authors = []cli.Author{
- cli.Author{
- Name: "Example Human",
- Email: "human@example.com",
- },
- }
- app.Copyright = "(c) 1999 Serious Enterprise"
- app.HelpName = "contrive"
- app.Usage = "demonstrate available API"
- app.UsageText = "contrive - demonstrating the available API"
- app.ArgsUsage = "[args and such]"
- app.Commands = []cli.Command{
- cli.Command{
- Name: "doo",
- Aliases: []string{"do"},
- Category: "motion",
- Usage: "do the doo",
- UsageText: "doo - does the dooing",
- Description: "no really, there is a lot of dooing to be done",
- ArgsUsage: "[arrgh]",
- Flags: []cli.Flag{
- cli.BoolFlag{Name: "forever, forevvarr"},
- },
- Subcommands: cli.Commands{
- cli.Command{
- Name: "wop",
- Action: wopAction,
- },
- },
- SkipFlagParsing: false,
- HideHelp: false,
- Hidden: false,
- HelpName: "doo!",
- BashComplete: func(c *cli.Context) {
- fmt.Fprintf(c.App.Writer, "--better\n")
- },
- Before: func(c *cli.Context) error {
- fmt.Fprintf(c.App.Writer, "brace for impact\n")
- return nil
- },
- After: func(c *cli.Context) error {
- fmt.Fprintf(c.App.Writer, "did we lose anyone?\n")
- return nil
- },
- Action: func(c *cli.Context) error {
- c.Command.FullName()
- c.Command.HasName("wop")
- c.Command.Names()
- c.Command.VisibleFlags()
- fmt.Fprintf(c.App.Writer, "dodododododoodododddooooododododooo\n")
- if c.Bool("forever") {
- c.Command.Run(c)
- }
- return nil
- },
- OnUsageError: func(c *cli.Context, err error, isSubcommand bool) error {
- fmt.Fprintf(c.App.Writer, "for shame\n")
- return err
- },
- },
- }
- app.Flags = []cli.Flag{
- cli.BoolFlag{Name: "fancy"},
- cli.BoolTFlag{Name: "fancier"},
- cli.DurationFlag{Name: "howlong, H", Value: time.Second * 3},
- cli.Float64Flag{Name: "howmuch"},
- cli.GenericFlag{Name: "wat", Value: &genericType{}},
- cli.Int64Flag{Name: "longdistance"},
- cli.Int64SliceFlag{Name: "intervals"},
- cli.IntFlag{Name: "distance"},
- cli.IntSliceFlag{Name: "times"},
- cli.StringFlag{Name: "dance-move, d"},
- cli.StringSliceFlag{Name: "names, N"},
- cli.UintFlag{Name: "age"},
- cli.Uint64Flag{Name: "bigage"},
- }
- app.EnableBashCompletion = true
- app.HideHelp = false
- app.HideVersion = false
- app.BashComplete = func(c *cli.Context) {
- fmt.Fprintf(c.App.Writer, "lipstick\nkiss\nme\nlipstick\nringo\n")
- }
- app.Before = func(c *cli.Context) error {
- fmt.Fprintf(c.App.Writer, "HEEEERE GOES\n")
- return nil
- }
- app.After = func(c *cli.Context) error {
- fmt.Fprintf(c.App.Writer, "Phew!\n")
- return nil
- }
- app.CommandNotFound = func(c *cli.Context, command string) {
- fmt.Fprintf(c.App.Writer, "Thar be no %q here.\n", command)
- }
- app.OnUsageError = func(c *cli.Context, err error, isSubcommand bool) error {
- if isSubcommand {
- return err
- }
-
- fmt.Fprintf(c.App.Writer, "WRONG: %#v\n", err)
- return nil
- }
- app.Action = func(c *cli.Context) error {
- cli.DefaultAppComplete(c)
- cli.HandleExitCoder(errors.New("not an exit coder, though"))
- cli.ShowAppHelp(c)
- cli.ShowCommandCompletions(c, "nope")
- cli.ShowCommandHelp(c, "also-nope")
- cli.ShowCompletions(c)
- cli.ShowSubcommandHelp(c)
- cli.ShowVersion(c)
-
- categories := c.App.Categories()
- categories.AddCommand("sounds", cli.Command{
- Name: "bloop",
- })
-
- for _, category := range c.App.Categories() {
- fmt.Fprintf(c.App.Writer, "%s\n", category.Name)
- fmt.Fprintf(c.App.Writer, "%#v\n", category.Commands)
- fmt.Fprintf(c.App.Writer, "%#v\n", category.VisibleCommands())
- }
-
- fmt.Printf("%#v\n", c.App.Command("doo"))
- if c.Bool("infinite") {
- c.App.Run([]string{"app", "doo", "wop"})
- }
-
- if c.Bool("forevar") {
- c.App.RunAsSubcommand(c)
- }
- c.App.Setup()
- fmt.Printf("%#v\n", c.App.VisibleCategories())
- fmt.Printf("%#v\n", c.App.VisibleCommands())
- fmt.Printf("%#v\n", c.App.VisibleFlags())
-
- fmt.Printf("%#v\n", c.Args().First())
- if len(c.Args()) > 0 {
- fmt.Printf("%#v\n", c.Args()[1])
- }
- fmt.Printf("%#v\n", c.Args().Present())
- fmt.Printf("%#v\n", c.Args().Tail())
-
- set := flag.NewFlagSet("contrive", 0)
- nc := cli.NewContext(c.App, set, c)
-
- fmt.Printf("%#v\n", nc.Args())
- fmt.Printf("%#v\n", nc.Bool("nope"))
- fmt.Printf("%#v\n", nc.BoolT("nerp"))
- fmt.Printf("%#v\n", nc.Duration("howlong"))
- fmt.Printf("%#v\n", nc.Float64("hay"))
- fmt.Printf("%#v\n", nc.Generic("bloop"))
- fmt.Printf("%#v\n", nc.Int64("bonk"))
- fmt.Printf("%#v\n", nc.Int64Slice("burnks"))
- fmt.Printf("%#v\n", nc.Int("bips"))
- fmt.Printf("%#v\n", nc.IntSlice("blups"))
- fmt.Printf("%#v\n", nc.String("snurt"))
- fmt.Printf("%#v\n", nc.StringSlice("snurkles"))
- fmt.Printf("%#v\n", nc.Uint("flub"))
- fmt.Printf("%#v\n", nc.Uint64("florb"))
- fmt.Printf("%#v\n", nc.GlobalBool("global-nope"))
- fmt.Printf("%#v\n", nc.GlobalBoolT("global-nerp"))
- fmt.Printf("%#v\n", nc.GlobalDuration("global-howlong"))
- fmt.Printf("%#v\n", nc.GlobalFloat64("global-hay"))
- fmt.Printf("%#v\n", nc.GlobalGeneric("global-bloop"))
- fmt.Printf("%#v\n", nc.GlobalInt("global-bips"))
- fmt.Printf("%#v\n", nc.GlobalIntSlice("global-blups"))
- fmt.Printf("%#v\n", nc.GlobalString("global-snurt"))
- fmt.Printf("%#v\n", nc.GlobalStringSlice("global-snurkles"))
-
- fmt.Printf("%#v\n", nc.FlagNames())
- fmt.Printf("%#v\n", nc.GlobalFlagNames())
- fmt.Printf("%#v\n", nc.GlobalIsSet("wat"))
- fmt.Printf("%#v\n", nc.GlobalSet("wat", "nope"))
- fmt.Printf("%#v\n", nc.NArg())
- fmt.Printf("%#v\n", nc.NumFlags())
- fmt.Printf("%#v\n", nc.Parent())
-
- nc.Set("wat", "also-nope")
-
- ec := cli.NewExitError("ohwell", 86)
- fmt.Fprintf(c.App.Writer, "%d", ec.ExitCode())
- fmt.Printf("made it!\n")
- return ec
- }
-
- if os.Getenv("HEXY") != "" {
- app.Writer = &hexWriter{}
- app.ErrWriter = &hexWriter{}
- }
-
- app.Metadata = map[string]interface{}{
- "layers": "many",
- "explicable": false,
- "whatever-values": 19.99,
- }
-
- app.Run(os.Args)
-}
-
-func wopAction(c *cli.Context) error {
- fmt.Fprintf(c.App.Writer, ":wave: over here, eh\n")
- return nil
-}
-```
-
-## Contribution Guidelines
-
-Feel free to put up a pull request to fix a bug or maybe add a feature. I will
-give it a code review and make sure that it does not break backwards
-compatibility. If I or any other collaborators agree that it is in line with
-the vision of the project, we will work with you to get the code into
-a mergeable state and merge it into the master branch.
-
-If you have contributed something significant to the project, we will most
-likely add you as a collaborator. As a collaborator you are given the ability
-to merge others pull requests. It is very important that new code does not
-break existing code, so be careful about what code you do choose to merge.
-
-If you feel like you have contributed to the project but have not yet been
-added as a collaborator, we probably forgot to add you, please open an issue.
diff --git a/vendor/github.com/urfave/cli/app.go b/vendor/github.com/urfave/cli/app.go
deleted file mode 100644
index 0755bb6..0000000
--- a/vendor/github.com/urfave/cli/app.go
+++ /dev/null
@@ -1,503 +0,0 @@
-package cli
-
-import (
- "fmt"
- "io"
- "io/ioutil"
- "os"
- "path/filepath"
- "reflect"
- "sort"
- "strings"
- "time"
-)
-
-var (
- changeLogURL = "https://github.com/urfave/cli/blob/master/CHANGELOG.md"
- appActionDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-action-signature", changeLogURL)
- runAndExitOnErrorDeprecationURL = fmt.Sprintf("%s#deprecated-cli-app-runandexitonerror", changeLogURL)
-
- contactSysadmin = "This is an error in the application. Please contact the distributor of this application if this is not you."
-
- errNonFuncAction = NewExitError("ERROR invalid Action type. "+
- fmt.Sprintf("Must be a func of type `cli.ActionFunc`. %s", contactSysadmin)+
- fmt.Sprintf("See %s", appActionDeprecationURL), 2)
- errInvalidActionSignature = NewExitError("ERROR invalid Action signature. "+
- fmt.Sprintf("Must be `cli.ActionFunc`. %s", contactSysadmin)+
- fmt.Sprintf("See %s", appActionDeprecationURL), 2)
-)
-
-// App is the main structure of a cli application. It is recommended that
-// an app be created with the cli.NewApp() function
-type App struct {
- // The name of the program. Defaults to path.Base(os.Args[0])
- Name string
- // Full name of command for help, defaults to Name
- HelpName string
- // Description of the program.
- Usage string
- // Text to override the USAGE section of help
- UsageText string
- // Description of the program argument format.
- ArgsUsage string
- // Version of the program
- Version string
- // List of commands to execute
- Commands []Command
- // List of flags to parse
- Flags []Flag
- // Boolean to enable bash completion commands
- EnableBashCompletion bool
- // Boolean to hide built-in help command
- HideHelp bool
- // Boolean to hide built-in version flag and the VERSION section of help
- HideVersion bool
- // Populate on app startup, only gettable through method Categories()
- categories CommandCategories
- // An action to execute when the bash-completion flag is set
- BashComplete BashCompleteFunc
- // An action to execute before any subcommands are run, but after the context is ready
- // If a non-nil error is returned, no subcommands are run
- Before BeforeFunc
- // An action to execute after any subcommands are run, but after the subcommand has finished
- // It is run even if Action() panics
- After AfterFunc
- // The action to execute when no subcommands are specified
- Action interface{}
- // TODO: replace `Action: interface{}` with `Action: ActionFunc` once some kind
- // of deprecation period has passed, maybe?
-
- // Execute this function if the proper command cannot be found
- CommandNotFound CommandNotFoundFunc
- // Execute this function if an usage error occurs
- OnUsageError OnUsageErrorFunc
- // Compilation date
- Compiled time.Time
- // List of all authors who contributed
- Authors []Author
- // Copyright of the binary if any
- Copyright string
- // Name of Author (Note: Use App.Authors, this is deprecated)
- Author string
- // Email of Author (Note: Use App.Authors, this is deprecated)
- Email string
- // Writer writer to write output to
- Writer io.Writer
- // ErrWriter writes error output
- ErrWriter io.Writer
- // Other custom info
- Metadata map[string]interface{}
-
- didSetup bool
-}
-
-// Tries to find out when this binary was compiled.
-// Returns the current time if it fails to find it.
-func compileTime() time.Time {
- info, err := os.Stat(os.Args[0])
- if err != nil {
- return time.Now()
- }
- return info.ModTime()
-}
-
-// NewApp creates a new cli Application with some reasonable defaults for Name,
-// Usage, Version and Action.
-func NewApp() *App {
- return &App{
- Name: filepath.Base(os.Args[0]),
- HelpName: filepath.Base(os.Args[0]),
- Usage: "A new cli application",
- UsageText: "",
- Version: "0.0.0",
- BashComplete: DefaultAppComplete,
- Action: helpCommand.Action,
- Compiled: compileTime(),
- Writer: os.Stdout,
- }
-}
-
-// Setup runs initialization code to ensure all data structures are ready for
-// `Run` or inspection prior to `Run`. It is internally called by `Run`, but
-// will return early if setup has already happened.
-func (a *App) Setup() {
- if a.didSetup {
- return
- }
-
- a.didSetup = true
-
- if a.Author != "" || a.Email != "" {
- a.Authors = append(a.Authors, Author{Name: a.Author, Email: a.Email})
- }
-
- newCmds := []Command{}
- for _, c := range a.Commands {
- if c.HelpName == "" {
- c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
- }
- newCmds = append(newCmds, c)
- }
- a.Commands = newCmds
-
- if a.Command(helpCommand.Name) == nil && !a.HideHelp {
- a.Commands = append(a.Commands, helpCommand)
- if (HelpFlag != BoolFlag{}) {
- a.appendFlag(HelpFlag)
- }
- }
-
- if a.EnableBashCompletion {
- a.appendFlag(BashCompletionFlag)
- }
-
- if !a.HideVersion {
- a.appendFlag(VersionFlag)
- }
-
- a.categories = CommandCategories{}
- for _, command := range a.Commands {
- a.categories = a.categories.AddCommand(command.Category, command)
- }
- sort.Sort(a.categories)
-
- if a.Metadata == nil {
- a.Metadata = make(map[string]interface{})
- }
-}
-
-// Run is the entry point to the cli app. Parses the arguments slice and routes
-// to the proper flag/args combination
-func (a *App) Run(arguments []string) (err error) {
- a.Setup()
-
- // parse flags
- set := flagSet(a.Name, a.Flags)
- set.SetOutput(ioutil.Discard)
- err = set.Parse(arguments[1:])
- nerr := normalizeFlags(a.Flags, set)
- context := NewContext(a, set, nil)
- if nerr != nil {
- fmt.Fprintln(a.Writer, nerr)
- ShowAppHelp(context)
- return nerr
- }
-
- if checkCompletions(context) {
- return nil
- }
-
- if err != nil {
- if a.OnUsageError != nil {
- err := a.OnUsageError(context, err, false)
- HandleExitCoder(err)
- return err
- }
- fmt.Fprintf(a.Writer, "%s\n\n", "Incorrect Usage.")
- ShowAppHelp(context)
- return err
- }
-
- if !a.HideHelp && checkHelp(context) {
- ShowAppHelp(context)
- return nil
- }
-
- if !a.HideVersion && checkVersion(context) {
- ShowVersion(context)
- return nil
- }
-
- if a.After != nil {
- defer func() {
- if afterErr := a.After(context); afterErr != nil {
- if err != nil {
- err = NewMultiError(err, afterErr)
- } else {
- err = afterErr
- }
- }
- }()
- }
-
- if a.Before != nil {
- beforeErr := a.Before(context)
- if beforeErr != nil {
- fmt.Fprintf(a.Writer, "%v\n\n", beforeErr)
- ShowAppHelp(context)
- HandleExitCoder(beforeErr)
- err = beforeErr
- return err
- }
- }
-
- args := context.Args()
- if args.Present() {
- name := args.First()
- c := a.Command(name)
- if c != nil {
- return c.Run(context)
- }
- }
-
- // Run default Action
- err = HandleAction(a.Action, context)
-
- HandleExitCoder(err)
- return err
-}
-
-// DEPRECATED: Another entry point to the cli app, takes care of passing arguments and error handling
-func (a *App) RunAndExitOnError() {
- fmt.Fprintf(a.errWriter(),
- "DEPRECATED cli.App.RunAndExitOnError. %s See %s\n",
- contactSysadmin, runAndExitOnErrorDeprecationURL)
- if err := a.Run(os.Args); err != nil {
- fmt.Fprintln(a.errWriter(), err)
- OsExiter(1)
- }
-}
-
-// RunAsSubcommand invokes the subcommand given the context, parses ctx.Args() to
-// generate command-specific flags
-func (a *App) RunAsSubcommand(ctx *Context) (err error) {
- // append help to commands
- if len(a.Commands) > 0 {
- if a.Command(helpCommand.Name) == nil && !a.HideHelp {
- a.Commands = append(a.Commands, helpCommand)
- if (HelpFlag != BoolFlag{}) {
- a.appendFlag(HelpFlag)
- }
- }
- }
-
- newCmds := []Command{}
- for _, c := range a.Commands {
- if c.HelpName == "" {
- c.HelpName = fmt.Sprintf("%s %s", a.HelpName, c.Name)
- }
- newCmds = append(newCmds, c)
- }
- a.Commands = newCmds
-
- // append flags
- if a.EnableBashCompletion {
- a.appendFlag(BashCompletionFlag)
- }
-
- // parse flags
- set := flagSet(a.Name, a.Flags)
- set.SetOutput(ioutil.Discard)
- err = set.Parse(ctx.Args().Tail())
- nerr := normalizeFlags(a.Flags, set)
- context := NewContext(a, set, ctx)
-
- if nerr != nil {
- fmt.Fprintln(a.Writer, nerr)
- fmt.Fprintln(a.Writer)
- if len(a.Commands) > 0 {
- ShowSubcommandHelp(context)
- } else {
- ShowCommandHelp(ctx, context.Args().First())
- }
- return nerr
- }
-
- if checkCompletions(context) {
- return nil
- }
-
- if err != nil {
- if a.OnUsageError != nil {
- err = a.OnUsageError(context, err, true)
- HandleExitCoder(err)
- return err
- }
- fmt.Fprintf(a.Writer, "%s\n\n", "Incorrect Usage.")
- ShowSubcommandHelp(context)
- return err
- }
-
- if len(a.Commands) > 0 {
- if checkSubcommandHelp(context) {
- return nil
- }
- } else {
- if checkCommandHelp(ctx, context.Args().First()) {
- return nil
- }
- }
-
- if a.After != nil {
- defer func() {
- afterErr := a.After(context)
- if afterErr != nil {
- HandleExitCoder(err)
- if err != nil {
- err = NewMultiError(err, afterErr)
- } else {
- err = afterErr
- }
- }
- }()
- }
-
- if a.Before != nil {
- beforeErr := a.Before(context)
- if beforeErr != nil {
- HandleExitCoder(beforeErr)
- err = beforeErr
- return err
- }
- }
-
- args := context.Args()
- if args.Present() {
- name := args.First()
- c := a.Command(name)
- if c != nil {
- return c.Run(context)
- }
- }
-
- // Run default Action
- err = HandleAction(a.Action, context)
-
- HandleExitCoder(err)
- return err
-}
-
-// Command returns the named command on App. Returns nil if the command does not exist
-func (a *App) Command(name string) *Command {
- for _, c := range a.Commands {
- if c.HasName(name) {
- return &c
- }
- }
-
- return nil
-}
-
-// Categories returns a slice containing all the categories with the commands they contain
-func (a *App) Categories() CommandCategories {
- return a.categories
-}
-
-// VisibleCategories returns a slice of categories and commands that are
-// Hidden=false
-func (a *App) VisibleCategories() []*CommandCategory {
- ret := []*CommandCategory{}
- for _, category := range a.categories {
- if visible := func() *CommandCategory {
- for _, command := range category.Commands {
- if !command.Hidden {
- return category
- }
- }
- return nil
- }(); visible != nil {
- ret = append(ret, visible)
- }
- }
- return ret
-}
-
-// VisibleCommands returns a slice of the Commands with Hidden=false
-func (a *App) VisibleCommands() []Command {
- ret := []Command{}
- for _, command := range a.Commands {
- if !command.Hidden {
- ret = append(ret, command)
- }
- }
- return ret
-}
-
-// VisibleFlags returns a slice of the Flags with Hidden=false
-func (a *App) VisibleFlags() []Flag {
- return visibleFlags(a.Flags)
-}
-
-func (a *App) hasFlag(flag Flag) bool {
- for _, f := range a.Flags {
- if flag == f {
- return true
- }
- }
-
- return false
-}
-
-func (a *App) errWriter() io.Writer {
-
- // When the app ErrWriter is nil use the package level one.
- if a.ErrWriter == nil {
- return ErrWriter
- }
-
- return a.ErrWriter
-}
-
-func (a *App) appendFlag(flag Flag) {
- if !a.hasFlag(flag) {
- a.Flags = append(a.Flags, flag)
- }
-}
-
-// Author represents someone who has contributed to a cli project.
-type Author struct {
- Name string // The Authors name
- Email string // The Authors email
-}
-
-// String makes Author comply to the Stringer interface, to allow an easy print in the templating process
-func (a Author) String() string {
- e := ""
- if a.Email != "" {
- e = "<" + a.Email + "> "
- }
-
- return fmt.Sprintf("%v %v", a.Name, e)
-}
-
-// HandleAction uses ✧✧✧reflection✧✧✧ to figure out if the given Action is an
-// ActionFunc, a func with the legacy signature for Action, or some other
-// invalid thing. If it's an ActionFunc or a func with the legacy signature for
-// Action, the func is run!
-func HandleAction(action interface{}, context *Context) (err error) {
- defer func() {
- if r := recover(); r != nil {
- // Try to detect a known reflection error from *this scope*, rather than
- // swallowing all panics that may happen when calling an Action func.
- s := fmt.Sprintf("%v", r)
- if strings.HasPrefix(s, "reflect: ") && strings.Contains(s, "too many input arguments") {
- err = NewExitError(fmt.Sprintf("ERROR unknown Action error: %v. See %s", r, appActionDeprecationURL), 2)
- } else {
- panic(r)
- }
- }
- }()
-
- if reflect.TypeOf(action).Kind() != reflect.Func {
- return errNonFuncAction
- }
-
- vals := reflect.ValueOf(action).Call([]reflect.Value{reflect.ValueOf(context)})
-
- if len(vals) == 0 {
- fmt.Fprintf(ErrWriter,
- "DEPRECATED Action signature. Must be `cli.ActionFunc`. %s See %s\n",
- contactSysadmin, appActionDeprecationURL)
- return nil
- }
-
- if len(vals) > 1 {
- return errInvalidActionSignature
- }
-
- if retErr, ok := vals[0].Interface().(error); vals[0].IsValid() && ok {
- return retErr
- }
-
- return err
-}
diff --git a/vendor/github.com/urfave/cli/appveyor.yml b/vendor/github.com/urfave/cli/appveyor.yml
deleted file mode 100644
index 698b188..0000000
--- a/vendor/github.com/urfave/cli/appveyor.yml
+++ /dev/null
@@ -1,24 +0,0 @@
-version: "{build}"
-
-os: Windows Server 2012 R2
-
-clone_folder: c:\gopath\src\github.com\urfave\cli
-
-environment:
- GOPATH: C:\gopath
- GOVERSION: 1.6
- PYTHON: C:\Python27-x64
- PYTHON_VERSION: 2.7.x
- PYTHON_ARCH: 64
-
-install:
-- set PATH=%GOPATH%\bin;C:\go\bin;%PATH%
-- go version
-- go env
-- go get github.com/urfave/gfmrun/...
-- go get -v -t ./...
-
-build_script:
-- python runtests vet
-- python runtests test
-- python runtests gfmrun
diff --git a/vendor/github.com/urfave/cli/category.go b/vendor/github.com/urfave/cli/category.go
deleted file mode 100644
index 1a60550..0000000
--- a/vendor/github.com/urfave/cli/category.go
+++ /dev/null
@@ -1,44 +0,0 @@
-package cli
-
-// CommandCategories is a slice of *CommandCategory.
-type CommandCategories []*CommandCategory
-
-// CommandCategory is a category containing commands.
-type CommandCategory struct {
- Name string
- Commands Commands
-}
-
-func (c CommandCategories) Less(i, j int) bool {
- return c[i].Name < c[j].Name
-}
-
-func (c CommandCategories) Len() int {
- return len(c)
-}
-
-func (c CommandCategories) Swap(i, j int) {
- c[i], c[j] = c[j], c[i]
-}
-
-// AddCommand adds a command to a category.
-func (c CommandCategories) AddCommand(category string, command Command) CommandCategories {
- for _, commandCategory := range c {
- if commandCategory.Name == category {
- commandCategory.Commands = append(commandCategory.Commands, command)
- return c
- }
- }
- return append(c, &CommandCategory{Name: category, Commands: []Command{command}})
-}
-
-// VisibleCommands returns a slice of the Commands with Hidden=false
-func (c *CommandCategory) VisibleCommands() []Command {
- ret := []Command{}
- for _, command := range c.Commands {
- if !command.Hidden {
- ret = append(ret, command)
- }
- }
- return ret
-}
diff --git a/vendor/github.com/urfave/cli/cli.go b/vendor/github.com/urfave/cli/cli.go
deleted file mode 100644
index 74fd101..0000000
--- a/vendor/github.com/urfave/cli/cli.go
+++ /dev/null
@@ -1,21 +0,0 @@
-// Package cli provides a minimal framework for creating and organizing command line
-// Go applications. cli is designed to be easy to understand and write, the most simple
-// cli application can be written as follows:
-// func main() {
-// cli.NewApp().Run(os.Args)
-// }
-//
-// Of course this application does not do much, so let's make this an actual application:
-// func main() {
-// app := cli.NewApp()
-// app.Name = "greet"
-// app.Usage = "say a greeting"
-// app.Action = func(c *cli.Context) error {
-// println("Greetings")
-// }
-//
-// app.Run(os.Args)
-// }
-package cli
-
-//go:generate python ./generate-flag-types cli -i flag-types.json -o flag_generated.go
diff --git a/vendor/github.com/urfave/cli/command.go b/vendor/github.com/urfave/cli/command.go
deleted file mode 100644
index 8950cca..0000000
--- a/vendor/github.com/urfave/cli/command.go
+++ /dev/null
@@ -1,279 +0,0 @@
-package cli
-
-import (
- "fmt"
- "io/ioutil"
- "sort"
- "strings"
-)
-
-// Command is a subcommand for a cli.App.
-type Command struct {
- // The name of the command
- Name string
- // short name of the command. Typically one character (deprecated, use `Aliases`)
- ShortName string
- // A list of aliases for the command
- Aliases []string
- // A short description of the usage of this command
- Usage string
- // Custom text to show on USAGE section of help
- UsageText string
- // A longer explanation of how the command works
- Description string
- // A short description of the arguments of this command
- ArgsUsage string
- // The category the command is part of
- Category string
- // The function to call when checking for bash command completions
- BashComplete BashCompleteFunc
- // An action to execute before any sub-subcommands are run, but after the context is ready
- // If a non-nil error is returned, no sub-subcommands are run
- Before BeforeFunc
- // An action to execute after any subcommands are run, but after the subcommand has finished
- // It is run even if Action() panics
- After AfterFunc
- // The function to call when this command is invoked
- Action interface{}
- // TODO: replace `Action: interface{}` with `Action: ActionFunc` once some kind
- // of deprecation period has passed, maybe?
-
- // Execute this function if a usage error occurs.
- OnUsageError OnUsageErrorFunc
- // List of child commands
- Subcommands Commands
- // List of flags to parse
- Flags []Flag
- // Treat all flags as normal arguments if true
- SkipFlagParsing bool
- // Boolean to hide built-in help command
- HideHelp bool
- // Boolean to hide this command from help or completion
- Hidden bool
-
- // Full name of command for help, defaults to full command name, including parent commands.
- HelpName string
- commandNamePath []string
-}
-
-// FullName returns the full name of the command.
-// For subcommands this ensures that parent commands are part of the command path
-func (c Command) FullName() string {
- if c.commandNamePath == nil {
- return c.Name
- }
- return strings.Join(c.commandNamePath, " ")
-}
-
-// Commands is a slice of Command
-type Commands []Command
-
-// Run invokes the command given the context, parses ctx.Args() to generate command-specific flags
-func (c Command) Run(ctx *Context) (err error) {
- if len(c.Subcommands) > 0 {
- return c.startApp(ctx)
- }
-
- if !c.HideHelp && (HelpFlag != BoolFlag{}) {
- // append help to flags
- c.Flags = append(
- c.Flags,
- HelpFlag,
- )
- }
-
- if ctx.App.EnableBashCompletion {
- c.Flags = append(c.Flags, BashCompletionFlag)
- }
-
- set := flagSet(c.Name, c.Flags)
- set.SetOutput(ioutil.Discard)
-
- if !c.SkipFlagParsing {
- firstFlagIndex := -1
- terminatorIndex := -1
- for index, arg := range ctx.Args() {
- if arg == "--" {
- terminatorIndex = index
- break
- } else if arg == "-" {
- // Do nothing. A dash alone is not really a flag.
- continue
- } else if strings.HasPrefix(arg, "-") && firstFlagIndex == -1 {
- firstFlagIndex = index
- }
- }
-
- if firstFlagIndex > -1 {
- args := ctx.Args()
- regularArgs := make([]string, len(args[1:firstFlagIndex]))
- copy(regularArgs, args[1:firstFlagIndex])
-
- var flagArgs []string
- if terminatorIndex > -1 {
- flagArgs = args[firstFlagIndex:terminatorIndex]
- regularArgs = append(regularArgs, args[terminatorIndex:]...)
- } else {
- flagArgs = args[firstFlagIndex:]
- }
-
- err = set.Parse(append(flagArgs, regularArgs...))
- } else {
- err = set.Parse(ctx.Args().Tail())
- }
- } else {
- if c.SkipFlagParsing {
- err = set.Parse(append([]string{"--"}, ctx.Args().Tail()...))
- }
- }
-
- if err != nil {
- if c.OnUsageError != nil {
- err := c.OnUsageError(ctx, err, false)
- HandleExitCoder(err)
- return err
- }
- fmt.Fprintln(ctx.App.Writer, "Incorrect Usage.")
- fmt.Fprintln(ctx.App.Writer)
- ShowCommandHelp(ctx, c.Name)
- return err
- }
-
- nerr := normalizeFlags(c.Flags, set)
- if nerr != nil {
- fmt.Fprintln(ctx.App.Writer, nerr)
- fmt.Fprintln(ctx.App.Writer)
- ShowCommandHelp(ctx, c.Name)
- return nerr
- }
-
- context := NewContext(ctx.App, set, ctx)
-
- if checkCommandCompletions(context, c.Name) {
- return nil
- }
-
- if checkCommandHelp(context, c.Name) {
- return nil
- }
-
- if c.After != nil {
- defer func() {
- afterErr := c.After(context)
- if afterErr != nil {
- HandleExitCoder(err)
- if err != nil {
- err = NewMultiError(err, afterErr)
- } else {
- err = afterErr
- }
- }
- }()
- }
-
- if c.Before != nil {
- err = c.Before(context)
- if err != nil {
- fmt.Fprintln(ctx.App.Writer, err)
- fmt.Fprintln(ctx.App.Writer)
- ShowCommandHelp(ctx, c.Name)
- HandleExitCoder(err)
- return err
- }
- }
-
- context.Command = c
- err = HandleAction(c.Action, context)
-
- if err != nil {
- HandleExitCoder(err)
- }
- return err
-}
-
-// Names returns the names including short names and aliases.
-func (c Command) Names() []string {
- names := []string{c.Name}
-
- if c.ShortName != "" {
- names = append(names, c.ShortName)
- }
-
- return append(names, c.Aliases...)
-}
-
-// HasName returns true if Command.Name or Command.ShortName matches given name
-func (c Command) HasName(name string) bool {
- for _, n := range c.Names() {
- if n == name {
- return true
- }
- }
- return false
-}
-
-func (c Command) startApp(ctx *Context) error {
- app := NewApp()
- app.Metadata = ctx.App.Metadata
- // set the name and usage
- app.Name = fmt.Sprintf("%s %s", ctx.App.Name, c.Name)
- if c.HelpName == "" {
- app.HelpName = c.HelpName
- } else {
- app.HelpName = app.Name
- }
-
- if c.Description != "" {
- app.Usage = c.Description
- } else {
- app.Usage = c.Usage
- }
-
- // set CommandNotFound
- app.CommandNotFound = ctx.App.CommandNotFound
-
- // set the flags and commands
- app.Commands = c.Subcommands
- app.Flags = c.Flags
- app.HideHelp = c.HideHelp
-
- app.Version = ctx.App.Version
- app.HideVersion = ctx.App.HideVersion
- app.Compiled = ctx.App.Compiled
- app.Author = ctx.App.Author
- app.Email = ctx.App.Email
- app.Writer = ctx.App.Writer
-
- app.categories = CommandCategories{}
- for _, command := range c.Subcommands {
- app.categories = app.categories.AddCommand(command.Category, command)
- }
-
- sort.Sort(app.categories)
-
- // bash completion
- app.EnableBashCompletion = ctx.App.EnableBashCompletion
- if c.BashComplete != nil {
- app.BashComplete = c.BashComplete
- }
-
- // set the actions
- app.Before = c.Before
- app.After = c.After
- if c.Action != nil {
- app.Action = c.Action
- } else {
- app.Action = helpSubcommand.Action
- }
-
- for index, cc := range app.Commands {
- app.Commands[index].commandNamePath = []string{c.Name, cc.Name}
- }
-
- return app.RunAsSubcommand(ctx)
-}
-
-// VisibleFlags returns a slice of the Flags with Hidden=false
-func (c Command) VisibleFlags() []Flag {
- return visibleFlags(c.Flags)
-}
diff --git a/vendor/github.com/urfave/cli/context.go b/vendor/github.com/urfave/cli/context.go
deleted file mode 100644
index 14ad3f7..0000000
--- a/vendor/github.com/urfave/cli/context.go
+++ /dev/null
@@ -1,213 +0,0 @@
-package cli
-
-import (
- "errors"
- "flag"
- "strings"
-)
-
-// Context is a type that is passed through to
-// each Handler action in a cli application. Context
-// can be used to retrieve context-specific Args and
-// parsed command-line options.
-type Context struct {
- App *App
- Command Command
- flagSet *flag.FlagSet
- setFlags map[string]bool
- globalSetFlags map[string]bool
- parentContext *Context
-}
-
-// NewContext creates a new context. For use in when invoking an App or Command action.
-func NewContext(app *App, set *flag.FlagSet, parentCtx *Context) *Context {
- return &Context{App: app, flagSet: set, parentContext: parentCtx}
-}
-
-// NumFlags returns the number of flags set
-func (c *Context) NumFlags() int {
- return c.flagSet.NFlag()
-}
-
-// Set sets a context flag to a value.
-func (c *Context) Set(name, value string) error {
- return c.flagSet.Set(name, value)
-}
-
-// GlobalSet sets a context flag to a value on the global flagset
-func (c *Context) GlobalSet(name, value string) error {
- return globalContext(c).flagSet.Set(name, value)
-}
-
-// IsSet determines if the flag was actually set
-func (c *Context) IsSet(name string) bool {
- if c.setFlags == nil {
- c.setFlags = make(map[string]bool)
- c.flagSet.Visit(func(f *flag.Flag) {
- c.setFlags[f.Name] = true
- })
- }
- return c.setFlags[name] == true
-}
-
-// GlobalIsSet determines if the global flag was actually set
-func (c *Context) GlobalIsSet(name string) bool {
- if c.globalSetFlags == nil {
- c.globalSetFlags = make(map[string]bool)
- ctx := c
- if ctx.parentContext != nil {
- ctx = ctx.parentContext
- }
- for ; ctx != nil && c.globalSetFlags[name] == false; ctx = ctx.parentContext {
- ctx.flagSet.Visit(func(f *flag.Flag) {
- c.globalSetFlags[f.Name] = true
- })
- }
- }
- return c.globalSetFlags[name]
-}
-
-// FlagNames returns a slice of flag names used in this context.
-func (c *Context) FlagNames() (names []string) {
- for _, flag := range c.Command.Flags {
- name := strings.Split(flag.GetName(), ",")[0]
- if name == "help" {
- continue
- }
- names = append(names, name)
- }
- return
-}
-
-// GlobalFlagNames returns a slice of global flag names used by the app.
-func (c *Context) GlobalFlagNames() (names []string) {
- for _, flag := range c.App.Flags {
- name := strings.Split(flag.GetName(), ",")[0]
- if name == "help" || name == "version" {
- continue
- }
- names = append(names, name)
- }
- return
-}
-
-// Parent returns the parent context, if any
-func (c *Context) Parent() *Context {
- return c.parentContext
-}
-
-// Args contains apps console arguments
-type Args []string
-
-// Args returns the command line arguments associated with the context.
-func (c *Context) Args() Args {
- args := Args(c.flagSet.Args())
- return args
-}
-
-// NArg returns the number of the command line arguments.
-func (c *Context) NArg() int {
- return len(c.Args())
-}
-
-// Get returns the nth argument, or else a blank string
-func (a Args) Get(n int) string {
- if len(a) > n {
- return a[n]
- }
- return ""
-}
-
-// First returns the first argument, or else a blank string
-func (a Args) First() string {
- return a.Get(0)
-}
-
-// Tail returns the rest of the arguments (not the first one)
-// or else an empty string slice
-func (a Args) Tail() []string {
- if len(a) >= 2 {
- return []string(a)[1:]
- }
- return []string{}
-}
-
-// Present checks if there are any arguments present
-func (a Args) Present() bool {
- return len(a) != 0
-}
-
-// Swap swaps arguments at the given indexes
-func (a Args) Swap(from, to int) error {
- if from >= len(a) || to >= len(a) {
- return errors.New("index out of range")
- }
- a[from], a[to] = a[to], a[from]
- return nil
-}
-
-func globalContext(ctx *Context) *Context {
- if ctx == nil {
- return nil
- }
-
- for {
- if ctx.parentContext == nil {
- return ctx
- }
- ctx = ctx.parentContext
- }
-}
-
-func lookupGlobalFlagSet(name string, ctx *Context) *flag.FlagSet {
- if ctx.parentContext != nil {
- ctx = ctx.parentContext
- }
- for ; ctx != nil; ctx = ctx.parentContext {
- if f := ctx.flagSet.Lookup(name); f != nil {
- return ctx.flagSet
- }
- }
- return nil
-}
-
-func copyFlag(name string, ff *flag.Flag, set *flag.FlagSet) {
- switch ff.Value.(type) {
- case *StringSlice:
- default:
- set.Set(name, ff.Value.String())
- }
-}
-
-func normalizeFlags(flags []Flag, set *flag.FlagSet) error {
- visited := make(map[string]bool)
- set.Visit(func(f *flag.Flag) {
- visited[f.Name] = true
- })
- for _, f := range flags {
- parts := strings.Split(f.GetName(), ",")
- if len(parts) == 1 {
- continue
- }
- var ff *flag.Flag
- for _, name := range parts {
- name = strings.Trim(name, " ")
- if visited[name] {
- if ff != nil {
- return errors.New("Cannot use two forms of the same flag: " + name + " " + ff.Name)
- }
- ff = set.Lookup(name)
- }
- }
- if ff == nil {
- continue
- }
- for _, name := range parts {
- name = strings.Trim(name, " ")
- if !visited[name] {
- copyFlag(name, ff, set)
- }
- }
- }
- return nil
-}
diff --git a/vendor/github.com/urfave/cli/errors.go b/vendor/github.com/urfave/cli/errors.go
deleted file mode 100644
index c7d8c2f..0000000
--- a/vendor/github.com/urfave/cli/errors.go
+++ /dev/null
@@ -1,98 +0,0 @@
-package cli
-
-import (
- "fmt"
- "io"
- "os"
- "strings"
-)
-
-// OsExiter is the function used when the app exits. If not set defaults to os.Exit.
-var OsExiter = os.Exit
-
-// ErrWriter is used to write errors to the user. This can be anything
-// implementing the io.Writer interface and defaults to os.Stderr.
-var ErrWriter io.Writer = os.Stderr
-
-// MultiError is an error that wraps multiple errors.
-type MultiError struct {
- Errors []error
-}
-
-// NewMultiError creates a new MultiError. Pass in one or more errors.
-func NewMultiError(err ...error) MultiError {
- return MultiError{Errors: err}
-}
-
-// Error implents the error interface.
-func (m MultiError) Error() string {
- errs := make([]string, len(m.Errors))
- for i, err := range m.Errors {
- errs[i] = err.Error()
- }
-
- return strings.Join(errs, "\n")
-}
-
-// ExitCoder is the interface checked by `App` and `Command` for a custom exit
-// code
-type ExitCoder interface {
- error
- ExitCode() int
-}
-
-// ExitError fulfills both the builtin `error` interface and `ExitCoder`
-type ExitError struct {
- exitCode int
- message string
-}
-
-// NewExitError makes a new *ExitError
-func NewExitError(message string, exitCode int) *ExitError {
- return &ExitError{
- exitCode: exitCode,
- message: message,
- }
-}
-
-// Error returns the string message, fulfilling the interface required by
-// `error`
-func (ee *ExitError) Error() string {
- return ee.message
-}
-
-// ExitCode returns the exit code, fulfilling the interface required by
-// `ExitCoder`
-func (ee *ExitError) ExitCode() int {
- return ee.exitCode
-}
-
-// HandleExitCoder checks if the error fulfills the ExitCoder interface, and if
-// so prints the error to stderr (if it is non-empty) and calls OsExiter with the
-// given exit code. If the given error is a MultiError, then this func is
-// called on all members of the Errors slice.
-func HandleExitCoder(err error) {
- if err == nil {
- return
- }
-
- if exitErr, ok := err.(ExitCoder); ok {
- if err.Error() != "" {
- fmt.Fprintln(ErrWriter, err)
- }
- OsExiter(exitErr.ExitCode())
- return
- }
-
- if multiErr, ok := err.(MultiError); ok {
- for _, merr := range multiErr.Errors {
- HandleExitCoder(merr)
- }
- return
- }
-
- if err.Error() != "" {
- fmt.Fprintln(ErrWriter, err)
- }
- OsExiter(1)
-}
diff --git a/vendor/github.com/urfave/cli/flag-types.json b/vendor/github.com/urfave/cli/flag-types.json
deleted file mode 100644
index 1223107..0000000
--- a/vendor/github.com/urfave/cli/flag-types.json
+++ /dev/null
@@ -1,93 +0,0 @@
-[
- {
- "name": "Bool",
- "type": "bool",
- "value": false,
- "context_default": "false",
- "parser": "strconv.ParseBool(f.Value.String())"
- },
- {
- "name": "BoolT",
- "type": "bool",
- "value": false,
- "doctail": " that is true by default",
- "context_default": "false",
- "parser": "strconv.ParseBool(f.Value.String())"
- },
- {
- "name": "Duration",
- "type": "time.Duration",
- "doctail": " (see https://golang.org/pkg/time/#ParseDuration)",
- "context_default": "0",
- "parser": "time.ParseDuration(f.Value.String())"
- },
- {
- "name": "Float64",
- "type": "float64",
- "context_default": "0",
- "parser": "strconv.ParseFloat(f.Value.String(), 64)"
- },
- {
- "name": "Generic",
- "type": "Generic",
- "dest": false,
- "context_default": "nil",
- "context_type": "interface{}"
- },
- {
- "name": "Int64",
- "type": "int64",
- "context_default": "0",
- "parser": "strconv.ParseInt(f.Value.String(), 0, 64)"
- },
- {
- "name": "Int",
- "type": "int",
- "context_default": "0",
- "parser": "strconv.ParseInt(f.Value.String(), 0, 64)",
- "parser_cast": "int(parsed)"
- },
- {
- "name": "IntSlice",
- "type": "*IntSlice",
- "dest": false,
- "context_default": "nil",
- "context_type": "[]int",
- "parser": "(f.Value.(*IntSlice)).Value(), error(nil)"
- },
- {
- "name": "Int64Slice",
- "type": "*Int64Slice",
- "dest": false,
- "context_default": "nil",
- "context_type": "[]int64",
- "parser": "(f.Value.(*Int64Slice)).Value(), error(nil)"
- },
- {
- "name": "String",
- "type": "string",
- "context_default": "\"\"",
- "parser": "f.Value.String(), error(nil)"
- },
- {
- "name": "StringSlice",
- "type": "*StringSlice",
- "dest": false,
- "context_default": "nil",
- "context_type": "[]string",
- "parser": "(f.Value.(*StringSlice)).Value(), error(nil)"
- },
- {
- "name": "Uint64",
- "type": "uint64",
- "context_default": "0",
- "parser": "strconv.ParseUint(f.Value.String(), 0, 64)"
- },
- {
- "name": "Uint",
- "type": "uint",
- "context_default": "0",
- "parser": "strconv.ParseUint(f.Value.String(), 0, 64)",
- "parser_cast": "uint(parsed)"
- }
-]
diff --git a/vendor/github.com/urfave/cli/flag.go b/vendor/github.com/urfave/cli/flag.go
deleted file mode 100644
index e748c02..0000000
--- a/vendor/github.com/urfave/cli/flag.go
+++ /dev/null
@@ -1,621 +0,0 @@
-package cli
-
-import (
- "flag"
- "fmt"
- "os"
- "reflect"
- "runtime"
- "strconv"
- "strings"
- "time"
-)
-
-const defaultPlaceholder = "value"
-
-// BashCompletionFlag enables bash-completion for all commands and subcommands
-var BashCompletionFlag = BoolFlag{
- Name: "generate-bash-completion",
- Hidden: true,
-}
-
-// VersionFlag prints the version for the application
-var VersionFlag = BoolFlag{
- Name: "version, v",
- Usage: "print the version",
-}
-
-// HelpFlag prints the help for all commands and subcommands
-// Set to the zero value (BoolFlag{}) to disable flag -- keeps subcommand
-// unless HideHelp is set to true)
-var HelpFlag = BoolFlag{
- Name: "help, h",
- Usage: "show help",
-}
-
-// FlagStringer converts a flag definition to a string. This is used by help
-// to display a flag.
-var FlagStringer FlagStringFunc = stringifyFlag
-
-// Flag is a common interface related to parsing flags in cli.
-// For more advanced flag parsing techniques, it is recommended that
-// this interface be implemented.
-type Flag interface {
- fmt.Stringer
- // Apply Flag settings to the given flag set
- Apply(*flag.FlagSet)
- GetName() string
-}
-
-func flagSet(name string, flags []Flag) *flag.FlagSet {
- set := flag.NewFlagSet(name, flag.ContinueOnError)
-
- for _, f := range flags {
- f.Apply(set)
- }
- return set
-}
-
-func eachName(longName string, fn func(string)) {
- parts := strings.Split(longName, ",")
- for _, name := range parts {
- name = strings.Trim(name, " ")
- fn(name)
- }
-}
-
-// Generic is a generic parseable type identified by a specific flag
-type Generic interface {
- Set(value string) error
- String() string
-}
-
-// Apply takes the flagset and calls Set on the generic flag with the value
-// provided by the user for parsing by the flag
-func (f GenericFlag) Apply(set *flag.FlagSet) {
- val := f.Value
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- val.Set(envVal)
- break
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- set.Var(f.Value, name, f.Usage)
- })
-}
-
-// StringSlice is an opaque type for []string to satisfy flag.Value
-type StringSlice []string
-
-// Set appends the string value to the list of values
-func (f *StringSlice) Set(value string) error {
- *f = append(*f, value)
- return nil
-}
-
-// String returns a readable representation of this value (for usage defaults)
-func (f *StringSlice) String() string {
- return fmt.Sprintf("%s", *f)
-}
-
-// Value returns the slice of strings set by this flag
-func (f *StringSlice) Value() []string {
- return *f
-}
-
-// Apply populates the flag given the flag set and environment
-func (f StringSliceFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- newVal := &StringSlice{}
- for _, s := range strings.Split(envVal, ",") {
- s = strings.TrimSpace(s)
- newVal.Set(s)
- }
- f.Value = newVal
- break
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Value == nil {
- f.Value = &StringSlice{}
- }
- set.Var(f.Value, name, f.Usage)
- })
-}
-
-// IntSlice is an opaque type for []int to satisfy flag.Value
-type IntSlice []int
-
-// Set parses the value into an integer and appends it to the list of values
-func (f *IntSlice) Set(value string) error {
- tmp, err := strconv.Atoi(value)
- if err != nil {
- return err
- }
- *f = append(*f, tmp)
- return nil
-}
-
-// String returns a readable representation of this value (for usage defaults)
-func (f *IntSlice) String() string {
- return fmt.Sprintf("%#v", *f)
-}
-
-// Value returns the slice of ints set by this flag
-func (f *IntSlice) Value() []int {
- return *f
-}
-
-// Apply populates the flag given the flag set and environment
-func (f IntSliceFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- newVal := &IntSlice{}
- for _, s := range strings.Split(envVal, ",") {
- s = strings.TrimSpace(s)
- err := newVal.Set(s)
- if err != nil {
- fmt.Fprintf(ErrWriter, err.Error())
- }
- }
- f.Value = newVal
- break
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Value == nil {
- f.Value = &IntSlice{}
- }
- set.Var(f.Value, name, f.Usage)
- })
-}
-
-// Int64Slice is an opaque type for []int to satisfy flag.Value
-type Int64Slice []int64
-
-// Set parses the value into an integer and appends it to the list of values
-func (f *Int64Slice) Set(value string) error {
- tmp, err := strconv.ParseInt(value, 10, 64)
- if err != nil {
- return err
- }
- *f = append(*f, tmp)
- return nil
-}
-
-// String returns a readable representation of this value (for usage defaults)
-func (f *Int64Slice) String() string {
- return fmt.Sprintf("%#v", *f)
-}
-
-// Value returns the slice of ints set by this flag
-func (f *Int64Slice) Value() []int64 {
- return *f
-}
-
-// Apply populates the flag given the flag set and environment
-func (f Int64SliceFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- newVal := &Int64Slice{}
- for _, s := range strings.Split(envVal, ",") {
- s = strings.TrimSpace(s)
- err := newVal.Set(s)
- if err != nil {
- fmt.Fprintf(ErrWriter, err.Error())
- }
- }
- f.Value = newVal
- break
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Value == nil {
- f.Value = &Int64Slice{}
- }
- set.Var(f.Value, name, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f BoolFlag) Apply(set *flag.FlagSet) {
- val := false
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValBool, err := strconv.ParseBool(envVal)
- if err == nil {
- val = envValBool
- }
- break
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.BoolVar(f.Destination, name, val, f.Usage)
- return
- }
- set.Bool(name, val, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f BoolTFlag) Apply(set *flag.FlagSet) {
- val := true
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValBool, err := strconv.ParseBool(envVal)
- if err == nil {
- val = envValBool
- break
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.BoolVar(f.Destination, name, val, f.Usage)
- return
- }
- set.Bool(name, val, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f StringFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- f.Value = envVal
- break
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.StringVar(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.String(name, f.Value, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f IntFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValInt, err := strconv.ParseInt(envVal, 0, 64)
- if err == nil {
- f.Value = int(envValInt)
- break
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.IntVar(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.Int(name, f.Value, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f Int64Flag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValInt, err := strconv.ParseInt(envVal, 0, 64)
- if err == nil {
- f.Value = envValInt
- break
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.Int64Var(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.Int64(name, f.Value, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f UintFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValInt, err := strconv.ParseUint(envVal, 0, 64)
- if err == nil {
- f.Value = uint(envValInt)
- break
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.UintVar(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.Uint(name, f.Value, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f Uint64Flag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValInt, err := strconv.ParseUint(envVal, 0, 64)
- if err == nil {
- f.Value = uint64(envValInt)
- break
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.Uint64Var(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.Uint64(name, f.Value, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f DurationFlag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValDuration, err := time.ParseDuration(envVal)
- if err == nil {
- f.Value = envValDuration
- break
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.DurationVar(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.Duration(name, f.Value, f.Usage)
- })
-}
-
-// Apply populates the flag given the flag set and environment
-func (f Float64Flag) Apply(set *flag.FlagSet) {
- if f.EnvVar != "" {
- for _, envVar := range strings.Split(f.EnvVar, ",") {
- envVar = strings.TrimSpace(envVar)
- if envVal := os.Getenv(envVar); envVal != "" {
- envValFloat, err := strconv.ParseFloat(envVal, 10)
- if err == nil {
- f.Value = float64(envValFloat)
- }
- }
- }
- }
-
- eachName(f.Name, func(name string) {
- if f.Destination != nil {
- set.Float64Var(f.Destination, name, f.Value, f.Usage)
- return
- }
- set.Float64(name, f.Value, f.Usage)
- })
-}
-
-func visibleFlags(fl []Flag) []Flag {
- visible := []Flag{}
- for _, flag := range fl {
- if !flagValue(flag).FieldByName("Hidden").Bool() {
- visible = append(visible, flag)
- }
- }
- return visible
-}
-
-func prefixFor(name string) (prefix string) {
- if len(name) == 1 {
- prefix = "-"
- } else {
- prefix = "--"
- }
-
- return
-}
-
-// Returns the placeholder, if any, and the unquoted usage string.
-func unquoteUsage(usage string) (string, string) {
- for i := 0; i < len(usage); i++ {
- if usage[i] == '`' {
- for j := i + 1; j < len(usage); j++ {
- if usage[j] == '`' {
- name := usage[i+1 : j]
- usage = usage[:i] + name + usage[j+1:]
- return name, usage
- }
- }
- break
- }
- }
- return "", usage
-}
-
-func prefixedNames(fullName, placeholder string) string {
- var prefixed string
- parts := strings.Split(fullName, ",")
- for i, name := range parts {
- name = strings.Trim(name, " ")
- prefixed += prefixFor(name) + name
- if placeholder != "" {
- prefixed += " " + placeholder
- }
- if i < len(parts)-1 {
- prefixed += ", "
- }
- }
- return prefixed
-}
-
-func withEnvHint(envVar, str string) string {
- envText := ""
- if envVar != "" {
- prefix := "$"
- suffix := ""
- sep := ", $"
- if runtime.GOOS == "windows" {
- prefix = "%"
- suffix = "%"
- sep = "%, %"
- }
- envText = fmt.Sprintf(" [%s%s%s]", prefix, strings.Join(strings.Split(envVar, ","), sep), suffix)
- }
- return str + envText
-}
-
-func flagValue(f Flag) reflect.Value {
- fv := reflect.ValueOf(f)
- for fv.Kind() == reflect.Ptr {
- fv = reflect.Indirect(fv)
- }
- return fv
-}
-
-func stringifyFlag(f Flag) string {
- fv := flagValue(f)
-
- switch f.(type) {
- case IntSliceFlag:
- return withEnvHint(fv.FieldByName("EnvVar").String(),
- stringifyIntSliceFlag(f.(IntSliceFlag)))
- case Int64SliceFlag:
- return withEnvHint(fv.FieldByName("EnvVar").String(),
- stringifyInt64SliceFlag(f.(Int64SliceFlag)))
- case StringSliceFlag:
- return withEnvHint(fv.FieldByName("EnvVar").String(),
- stringifyStringSliceFlag(f.(StringSliceFlag)))
- }
-
- placeholder, usage := unquoteUsage(fv.FieldByName("Usage").String())
-
- needsPlaceholder := false
- defaultValueString := ""
- val := fv.FieldByName("Value")
-
- if val.IsValid() {
- needsPlaceholder = true
- defaultValueString = fmt.Sprintf(" (default: %v)", val.Interface())
-
- if val.Kind() == reflect.String && val.String() != "" {
- defaultValueString = fmt.Sprintf(" (default: %q)", val.String())
- }
- }
-
- if defaultValueString == " (default: )" {
- defaultValueString = ""
- }
-
- if needsPlaceholder && placeholder == "" {
- placeholder = defaultPlaceholder
- }
-
- usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultValueString))
-
- return withEnvHint(fv.FieldByName("EnvVar").String(),
- fmt.Sprintf("%s\t%s", prefixedNames(fv.FieldByName("Name").String(), placeholder), usageWithDefault))
-}
-
-func stringifyIntSliceFlag(f IntSliceFlag) string {
- defaultVals := []string{}
- if f.Value != nil && len(f.Value.Value()) > 0 {
- for _, i := range f.Value.Value() {
- defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
- }
- }
-
- return stringifySliceFlag(f.Usage, f.Name, defaultVals)
-}
-
-func stringifyInt64SliceFlag(f Int64SliceFlag) string {
- defaultVals := []string{}
- if f.Value != nil && len(f.Value.Value()) > 0 {
- for _, i := range f.Value.Value() {
- defaultVals = append(defaultVals, fmt.Sprintf("%d", i))
- }
- }
-
- return stringifySliceFlag(f.Usage, f.Name, defaultVals)
-}
-
-func stringifyStringSliceFlag(f StringSliceFlag) string {
- defaultVals := []string{}
- if f.Value != nil && len(f.Value.Value()) > 0 {
- for _, s := range f.Value.Value() {
- if len(s) > 0 {
- defaultVals = append(defaultVals, fmt.Sprintf("%q", s))
- }
- }
- }
-
- return stringifySliceFlag(f.Usage, f.Name, defaultVals)
-}
-
-func stringifySliceFlag(usage, name string, defaultVals []string) string {
- placeholder, usage := unquoteUsage(usage)
- if placeholder == "" {
- placeholder = defaultPlaceholder
- }
-
- defaultVal := ""
- if len(defaultVals) > 0 {
- defaultVal = fmt.Sprintf(" (default: %s)", strings.Join(defaultVals, ", "))
- }
-
- usageWithDefault := strings.TrimSpace(fmt.Sprintf("%s%s", usage, defaultVal))
- return fmt.Sprintf("%s\t%s", prefixedNames(name, placeholder), usageWithDefault)
-}
diff --git a/vendor/github.com/urfave/cli/flag_generated.go b/vendor/github.com/urfave/cli/flag_generated.go
deleted file mode 100644
index 491b619..0000000
--- a/vendor/github.com/urfave/cli/flag_generated.go
+++ /dev/null
@@ -1,627 +0,0 @@
-package cli
-
-import (
- "flag"
- "strconv"
- "time"
-)
-
-// WARNING: This file is generated!
-
-// BoolFlag is a flag with type bool
-type BoolFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Destination *bool
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f BoolFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f BoolFlag) GetName() string {
- return f.Name
-}
-
-// Bool looks up the value of a local BoolFlag, returns
-// false if not found
-func (c *Context) Bool(name string) bool {
- return lookupBool(name, c.flagSet)
-}
-
-// GlobalBool looks up the value of a global BoolFlag, returns
-// false if not found
-func (c *Context) GlobalBool(name string) bool {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupBool(name, fs)
- }
- return false
-}
-
-func lookupBool(name string, set *flag.FlagSet) bool {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseBool(f.Value.String())
- if err != nil {
- return false
- }
- return parsed
- }
- return false
-}
-
-// BoolTFlag is a flag with type bool that is true by default
-type BoolTFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Destination *bool
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f BoolTFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f BoolTFlag) GetName() string {
- return f.Name
-}
-
-// BoolT looks up the value of a local BoolTFlag, returns
-// false if not found
-func (c *Context) BoolT(name string) bool {
- return lookupBoolT(name, c.flagSet)
-}
-
-// GlobalBoolT looks up the value of a global BoolTFlag, returns
-// false if not found
-func (c *Context) GlobalBoolT(name string) bool {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupBoolT(name, fs)
- }
- return false
-}
-
-func lookupBoolT(name string, set *flag.FlagSet) bool {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseBool(f.Value.String())
- if err != nil {
- return false
- }
- return parsed
- }
- return false
-}
-
-// DurationFlag is a flag with type time.Duration (see https://golang.org/pkg/time/#ParseDuration)
-type DurationFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value time.Duration
- Destination *time.Duration
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f DurationFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f DurationFlag) GetName() string {
- return f.Name
-}
-
-// Duration looks up the value of a local DurationFlag, returns
-// 0 if not found
-func (c *Context) Duration(name string) time.Duration {
- return lookupDuration(name, c.flagSet)
-}
-
-// GlobalDuration looks up the value of a global DurationFlag, returns
-// 0 if not found
-func (c *Context) GlobalDuration(name string) time.Duration {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupDuration(name, fs)
- }
- return 0
-}
-
-func lookupDuration(name string, set *flag.FlagSet) time.Duration {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := time.ParseDuration(f.Value.String())
- if err != nil {
- return 0
- }
- return parsed
- }
- return 0
-}
-
-// Float64Flag is a flag with type float64
-type Float64Flag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value float64
- Destination *float64
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f Float64Flag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f Float64Flag) GetName() string {
- return f.Name
-}
-
-// Float64 looks up the value of a local Float64Flag, returns
-// 0 if not found
-func (c *Context) Float64(name string) float64 {
- return lookupFloat64(name, c.flagSet)
-}
-
-// GlobalFloat64 looks up the value of a global Float64Flag, returns
-// 0 if not found
-func (c *Context) GlobalFloat64(name string) float64 {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupFloat64(name, fs)
- }
- return 0
-}
-
-func lookupFloat64(name string, set *flag.FlagSet) float64 {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseFloat(f.Value.String(), 64)
- if err != nil {
- return 0
- }
- return parsed
- }
- return 0
-}
-
-// GenericFlag is a flag with type Generic
-type GenericFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value Generic
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f GenericFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f GenericFlag) GetName() string {
- return f.Name
-}
-
-// Generic looks up the value of a local GenericFlag, returns
-// nil if not found
-func (c *Context) Generic(name string) interface{} {
- return lookupGeneric(name, c.flagSet)
-}
-
-// GlobalGeneric looks up the value of a global GenericFlag, returns
-// nil if not found
-func (c *Context) GlobalGeneric(name string) interface{} {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupGeneric(name, fs)
- }
- return nil
-}
-
-func lookupGeneric(name string, set *flag.FlagSet) interface{} {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := f.Value, error(nil)
- if err != nil {
- return nil
- }
- return parsed
- }
- return nil
-}
-
-// Int64Flag is a flag with type int64
-type Int64Flag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value int64
- Destination *int64
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f Int64Flag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f Int64Flag) GetName() string {
- return f.Name
-}
-
-// Int64 looks up the value of a local Int64Flag, returns
-// 0 if not found
-func (c *Context) Int64(name string) int64 {
- return lookupInt64(name, c.flagSet)
-}
-
-// GlobalInt64 looks up the value of a global Int64Flag, returns
-// 0 if not found
-func (c *Context) GlobalInt64(name string) int64 {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupInt64(name, fs)
- }
- return 0
-}
-
-func lookupInt64(name string, set *flag.FlagSet) int64 {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
- if err != nil {
- return 0
- }
- return parsed
- }
- return 0
-}
-
-// IntFlag is a flag with type int
-type IntFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value int
- Destination *int
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f IntFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f IntFlag) GetName() string {
- return f.Name
-}
-
-// Int looks up the value of a local IntFlag, returns
-// 0 if not found
-func (c *Context) Int(name string) int {
- return lookupInt(name, c.flagSet)
-}
-
-// GlobalInt looks up the value of a global IntFlag, returns
-// 0 if not found
-func (c *Context) GlobalInt(name string) int {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupInt(name, fs)
- }
- return 0
-}
-
-func lookupInt(name string, set *flag.FlagSet) int {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseInt(f.Value.String(), 0, 64)
- if err != nil {
- return 0
- }
- return int(parsed)
- }
- return 0
-}
-
-// IntSliceFlag is a flag with type *IntSlice
-type IntSliceFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value *IntSlice
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f IntSliceFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f IntSliceFlag) GetName() string {
- return f.Name
-}
-
-// IntSlice looks up the value of a local IntSliceFlag, returns
-// nil if not found
-func (c *Context) IntSlice(name string) []int {
- return lookupIntSlice(name, c.flagSet)
-}
-
-// GlobalIntSlice looks up the value of a global IntSliceFlag, returns
-// nil if not found
-func (c *Context) GlobalIntSlice(name string) []int {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupIntSlice(name, fs)
- }
- return nil
-}
-
-func lookupIntSlice(name string, set *flag.FlagSet) []int {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := (f.Value.(*IntSlice)).Value(), error(nil)
- if err != nil {
- return nil
- }
- return parsed
- }
- return nil
-}
-
-// Int64SliceFlag is a flag with type *Int64Slice
-type Int64SliceFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value *Int64Slice
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f Int64SliceFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f Int64SliceFlag) GetName() string {
- return f.Name
-}
-
-// Int64Slice looks up the value of a local Int64SliceFlag, returns
-// nil if not found
-func (c *Context) Int64Slice(name string) []int64 {
- return lookupInt64Slice(name, c.flagSet)
-}
-
-// GlobalInt64Slice looks up the value of a global Int64SliceFlag, returns
-// nil if not found
-func (c *Context) GlobalInt64Slice(name string) []int64 {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupInt64Slice(name, fs)
- }
- return nil
-}
-
-func lookupInt64Slice(name string, set *flag.FlagSet) []int64 {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := (f.Value.(*Int64Slice)).Value(), error(nil)
- if err != nil {
- return nil
- }
- return parsed
- }
- return nil
-}
-
-// StringFlag is a flag with type string
-type StringFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value string
- Destination *string
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f StringFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f StringFlag) GetName() string {
- return f.Name
-}
-
-// String looks up the value of a local StringFlag, returns
-// "" if not found
-func (c *Context) String(name string) string {
- return lookupString(name, c.flagSet)
-}
-
-// GlobalString looks up the value of a global StringFlag, returns
-// "" if not found
-func (c *Context) GlobalString(name string) string {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupString(name, fs)
- }
- return ""
-}
-
-func lookupString(name string, set *flag.FlagSet) string {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := f.Value.String(), error(nil)
- if err != nil {
- return ""
- }
- return parsed
- }
- return ""
-}
-
-// StringSliceFlag is a flag with type *StringSlice
-type StringSliceFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value *StringSlice
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f StringSliceFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f StringSliceFlag) GetName() string {
- return f.Name
-}
-
-// StringSlice looks up the value of a local StringSliceFlag, returns
-// nil if not found
-func (c *Context) StringSlice(name string) []string {
- return lookupStringSlice(name, c.flagSet)
-}
-
-// GlobalStringSlice looks up the value of a global StringSliceFlag, returns
-// nil if not found
-func (c *Context) GlobalStringSlice(name string) []string {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupStringSlice(name, fs)
- }
- return nil
-}
-
-func lookupStringSlice(name string, set *flag.FlagSet) []string {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := (f.Value.(*StringSlice)).Value(), error(nil)
- if err != nil {
- return nil
- }
- return parsed
- }
- return nil
-}
-
-// Uint64Flag is a flag with type uint64
-type Uint64Flag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value uint64
- Destination *uint64
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f Uint64Flag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f Uint64Flag) GetName() string {
- return f.Name
-}
-
-// Uint64 looks up the value of a local Uint64Flag, returns
-// 0 if not found
-func (c *Context) Uint64(name string) uint64 {
- return lookupUint64(name, c.flagSet)
-}
-
-// GlobalUint64 looks up the value of a global Uint64Flag, returns
-// 0 if not found
-func (c *Context) GlobalUint64(name string) uint64 {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupUint64(name, fs)
- }
- return 0
-}
-
-func lookupUint64(name string, set *flag.FlagSet) uint64 {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseUint(f.Value.String(), 0, 64)
- if err != nil {
- return 0
- }
- return parsed
- }
- return 0
-}
-
-// UintFlag is a flag with type uint
-type UintFlag struct {
- Name string
- Usage string
- EnvVar string
- Hidden bool
- Value uint
- Destination *uint
-}
-
-// String returns a readable representation of this value
-// (for usage defaults)
-func (f UintFlag) String() string {
- return FlagStringer(f)
-}
-
-// GetName returns the name of the flag
-func (f UintFlag) GetName() string {
- return f.Name
-}
-
-// Uint looks up the value of a local UintFlag, returns
-// 0 if not found
-func (c *Context) Uint(name string) uint {
- return lookupUint(name, c.flagSet)
-}
-
-// GlobalUint looks up the value of a global UintFlag, returns
-// 0 if not found
-func (c *Context) GlobalUint(name string) uint {
- if fs := lookupGlobalFlagSet(name, c); fs != nil {
- return lookupUint(name, fs)
- }
- return 0
-}
-
-func lookupUint(name string, set *flag.FlagSet) uint {
- f := set.Lookup(name)
- if f != nil {
- parsed, err := strconv.ParseUint(f.Value.String(), 0, 64)
- if err != nil {
- return 0
- }
- return uint(parsed)
- }
- return 0
-}
diff --git a/vendor/github.com/urfave/cli/funcs.go b/vendor/github.com/urfave/cli/funcs.go
deleted file mode 100644
index cba5e6c..0000000
--- a/vendor/github.com/urfave/cli/funcs.go
+++ /dev/null
@@ -1,28 +0,0 @@
-package cli
-
-// BashCompleteFunc is an action to execute when the bash-completion flag is set
-type BashCompleteFunc func(*Context)
-
-// BeforeFunc is an action to execute before any subcommands are run, but after
-// the context is ready if a non-nil error is returned, no subcommands are run
-type BeforeFunc func(*Context) error
-
-// AfterFunc is an action to execute after any subcommands are run, but after the
-// subcommand has finished it is run even if Action() panics
-type AfterFunc func(*Context) error
-
-// ActionFunc is the action to execute when no subcommands are specified
-type ActionFunc func(*Context) error
-
-// CommandNotFoundFunc is executed if the proper command cannot be found
-type CommandNotFoundFunc func(*Context, string)
-
-// OnUsageErrorFunc is executed if an usage error occurs. This is useful for displaying
-// customized usage error messages. This function is able to replace the
-// original error messages. If this function is not set, the "Incorrect usage"
-// is displayed and the execution is interrupted.
-type OnUsageErrorFunc func(context *Context, err error, isSubcommand bool) error
-
-// FlagStringFunc is used by the help generation to display a flag, which is
-// expected to be a single line.
-type FlagStringFunc func(Flag) string
diff --git a/vendor/github.com/urfave/cli/generate-flag-types b/vendor/github.com/urfave/cli/generate-flag-types
deleted file mode 100755
index 8567f5d..0000000
--- a/vendor/github.com/urfave/cli/generate-flag-types
+++ /dev/null
@@ -1,244 +0,0 @@
-#!/usr/bin/env python
-"""
-The flag types that ship with the cli library have many things in common, and
-so we can take advantage of the `go generate` command to create much of the
-source code from a list of definitions. These definitions attempt to cover
-the parts that vary between flag types, and should evolve as needed.
-
-An example of the minimum definition needed is:
-
- {
- "name": "SomeType",
- "type": "sometype",
- "context_default": "nil"
- }
-
-In this example, the code generated for the `cli` package will include a type
-named `SomeTypeFlag` that is expected to wrap a value of type `sometype`.
-Fetching values by name via `*cli.Context` will default to a value of `nil`.
-
-A more complete, albeit somewhat redundant, example showing all available
-definition keys is:
-
- {
- "name": "VeryMuchType",
- "type": "*VeryMuchType",
- "value": true,
- "dest": false,
- "doctail": " which really only wraps a []float64, oh well!",
- "context_type": "[]float64",
- "context_default": "nil",
- "parser": "parseVeryMuchType(f.Value.String())",
- "parser_cast": "[]float64(parsed)"
- }
-
-The meaning of each field is as follows:
-
- name (string) - The type "name", which will be suffixed with
- `Flag` when generating the type definition
- for `cli` and the wrapper type for `altsrc`
- type (string) - The type that the generated `Flag` type for `cli`
- is expected to "contain" as its `.Value` member
- value (bool) - Should the generated `cli` type have a `Value`
- member?
- dest (bool) - Should the generated `cli` type support a
- destination pointer?
- doctail (string) - Additional docs for the `cli` flag type comment
- context_type (string) - The literal type used in the `*cli.Context`
- reader func signature
- context_default (string) - The literal value used as the default by the
- `*cli.Context` reader funcs when no value is
- present
- parser (string) - Literal code used to parse the flag `f`,
- expected to have a return signature of
- (value, error)
- parser_cast (string) - Literal code used to cast the `parsed` value
- returned from the `parser` code
-"""
-
-from __future__ import print_function, unicode_literals
-
-import argparse
-import json
-import os
-import subprocess
-import sys
-import tempfile
-import textwrap
-
-
-class _FancyFormatter(argparse.ArgumentDefaultsHelpFormatter,
- argparse.RawDescriptionHelpFormatter):
- pass
-
-
-def main(sysargs=sys.argv[:]):
- parser = argparse.ArgumentParser(
- description='Generate flag type code!',
- formatter_class=_FancyFormatter)
- parser.add_argument(
- 'package',
- type=str, default='cli', choices=_WRITEFUNCS.keys(),
- help='Package for which flag types will be generated'
- )
- parser.add_argument(
- '-i', '--in-json',
- type=argparse.FileType('r'),
- default=sys.stdin,
- help='Input JSON file which defines each type to be generated'
- )
- parser.add_argument(
- '-o', '--out-go',
- type=argparse.FileType('w'),
- default=sys.stdout,
- help='Output file/stream to which generated source will be written'
- )
- parser.epilog = __doc__
-
- args = parser.parse_args(sysargs[1:])
- _generate_flag_types(_WRITEFUNCS[args.package], args.out_go, args.in_json)
- return 0
-
-
-def _generate_flag_types(writefunc, output_go, input_json):
- types = json.load(input_json)
-
- tmp = tempfile.NamedTemporaryFile(suffix='.go', delete=False)
- writefunc(tmp, types)
- tmp.close()
-
- new_content = subprocess.check_output(
- ['goimports', tmp.name]
- ).decode('utf-8')
-
- print(new_content, file=output_go, end='')
- output_go.flush()
- os.remove(tmp.name)
-
-
-def _set_typedef_defaults(typedef):
- typedef.setdefault('doctail', '')
- typedef.setdefault('context_type', typedef['type'])
- typedef.setdefault('dest', True)
- typedef.setdefault('value', True)
- typedef.setdefault('parser', 'f.Value, error(nil)')
- typedef.setdefault('parser_cast', 'parsed')
-
-
-def _write_cli_flag_types(outfile, types):
- _fwrite(outfile, """\
- package cli
-
- // WARNING: This file is generated!
-
- """)
-
- for typedef in types:
- _set_typedef_defaults(typedef)
-
- _fwrite(outfile, """\
- // {name}Flag is a flag with type {type}{doctail}
- type {name}Flag struct {{
- Name string
- Usage string
- EnvVar string
- Hidden bool
- """.format(**typedef))
-
- if typedef['value']:
- _fwrite(outfile, """\
- Value {type}
- """.format(**typedef))
-
- if typedef['dest']:
- _fwrite(outfile, """\
- Destination *{type}
- """.format(**typedef))
-
- _fwrite(outfile, "\n}\n\n")
-
- _fwrite(outfile, """\
- // String returns a readable representation of this value
- // (for usage defaults)
- func (f {name}Flag) String() string {{
- return FlagStringer(f)
- }}
-
- // GetName returns the name of the flag
- func (f {name}Flag) GetName() string {{
- return f.Name
- }}
-
- // {name} looks up the value of a local {name}Flag, returns
- // {context_default} if not found
- func (c *Context) {name}(name string) {context_type} {{
- return lookup{name}(name, c.flagSet)
- }}
-
- // Global{name} looks up the value of a global {name}Flag, returns
- // {context_default} if not found
- func (c *Context) Global{name}(name string) {context_type} {{
- if fs := lookupGlobalFlagSet(name, c); fs != nil {{
- return lookup{name}(name, fs)
- }}
- return {context_default}
- }}
-
- func lookup{name}(name string, set *flag.FlagSet) {context_type} {{
- f := set.Lookup(name)
- if f != nil {{
- parsed, err := {parser}
- if err != nil {{
- return {context_default}
- }}
- return {parser_cast}
- }}
- return {context_default}
- }}
- """.format(**typedef))
-
-
-def _write_altsrc_flag_types(outfile, types):
- _fwrite(outfile, """\
- package altsrc
-
- // WARNING: This file is generated!
-
- """)
-
- for typedef in types:
- _set_typedef_defaults(typedef)
-
- _fwrite(outfile, """\
- // {name}Flag is the flag type that wraps cli.{name}Flag to allow
- // for other values to be specified
- type {name}Flag struct {{
- cli.{name}Flag
- set *flag.FlagSet
- }}
-
- // New{name}Flag creates a new {name}Flag
- func New{name}Flag(fl cli.{name}Flag) *{name}Flag {{
- return &{name}Flag{{{name}Flag: fl, set: nil}}
- }}
-
- // Apply saves the flagSet for later usage calls, then calls the
- // wrapped {name}Flag.Apply
- func (f *{name}Flag) Apply(set *flag.FlagSet) {{
- f.set = set
- f.{name}Flag.Apply(set)
- }}
- """.format(**typedef))
-
-
-def _fwrite(outfile, text):
- print(textwrap.dedent(text), end='', file=outfile)
-
-
-_WRITEFUNCS = {
- 'cli': _write_cli_flag_types,
- 'altsrc': _write_altsrc_flag_types
-}
-
-if __name__ == '__main__':
- sys.exit(main())
diff --git a/vendor/github.com/urfave/cli/help.go b/vendor/github.com/urfave/cli/help.go
deleted file mode 100644
index ba34719..0000000
--- a/vendor/github.com/urfave/cli/help.go
+++ /dev/null
@@ -1,267 +0,0 @@
-package cli
-
-import (
- "fmt"
- "io"
- "os"
- "strings"
- "text/tabwriter"
- "text/template"
-)
-
-// AppHelpTemplate is the text template for the Default help topic.
-// cli.go uses text/template to render templates. You can
-// render custom help text by setting this variable.
-var AppHelpTemplate = `NAME:
- {{.Name}} - {{.Usage}}
-
-USAGE:
- {{if .UsageText}}{{.UsageText}}{{else}}{{.HelpName}} {{if .VisibleFlags}}[global options]{{end}}{{if .Commands}} command [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{end}}
- {{if .Version}}{{if not .HideVersion}}
-VERSION:
- {{.Version}}
- {{end}}{{end}}{{if len .Authors}}
-AUTHOR(S):
- {{range .Authors}}{{.}}{{end}}
- {{end}}{{if .VisibleCommands}}
-COMMANDS:{{range .VisibleCategories}}{{if .Name}}
- {{.Name}}:{{end}}{{range .VisibleCommands}}
- {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}
-{{end}}{{end}}{{if .VisibleFlags}}
-GLOBAL OPTIONS:
- {{range .VisibleFlags}}{{.}}
- {{end}}{{end}}{{if .Copyright}}
-COPYRIGHT:
- {{.Copyright}}
- {{end}}
-`
-
-// CommandHelpTemplate is the text template for the command help topic.
-// cli.go uses text/template to render templates. You can
-// render custom help text by setting this variable.
-var CommandHelpTemplate = `NAME:
- {{.HelpName}} - {{.Usage}}
-
-USAGE:
- {{.HelpName}}{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}{{if .Category}}
-
-CATEGORY:
- {{.Category}}{{end}}{{if .Description}}
-
-DESCRIPTION:
- {{.Description}}{{end}}{{if .VisibleFlags}}
-
-OPTIONS:
- {{range .VisibleFlags}}{{.}}
- {{end}}{{end}}
-`
-
-// SubcommandHelpTemplate is the text template for the subcommand help topic.
-// cli.go uses text/template to render templates. You can
-// render custom help text by setting this variable.
-var SubcommandHelpTemplate = `NAME:
- {{.HelpName}} - {{.Usage}}
-
-USAGE:
- {{.HelpName}} command{{if .VisibleFlags}} [command options]{{end}} {{if .ArgsUsage}}{{.ArgsUsage}}{{else}}[arguments...]{{end}}
-
-COMMANDS:{{range .VisibleCategories}}{{if .Name}}
- {{.Name}}:{{end}}{{range .VisibleCommands}}
- {{join .Names ", "}}{{"\t"}}{{.Usage}}{{end}}
-{{end}}{{if .VisibleFlags}}
-OPTIONS:
- {{range .VisibleFlags}}{{.}}
- {{end}}{{end}}
-`
-
-var helpCommand = Command{
- Name: "help",
- Aliases: []string{"h"},
- Usage: "Shows a list of commands or help for one command",
- ArgsUsage: "[command]",
- Action: func(c *Context) error {
- args := c.Args()
- if args.Present() {
- return ShowCommandHelp(c, args.First())
- }
-
- ShowAppHelp(c)
- return nil
- },
-}
-
-var helpSubcommand = Command{
- Name: "help",
- Aliases: []string{"h"},
- Usage: "Shows a list of commands or help for one command",
- ArgsUsage: "[command]",
- Action: func(c *Context) error {
- args := c.Args()
- if args.Present() {
- return ShowCommandHelp(c, args.First())
- }
-
- return ShowSubcommandHelp(c)
- },
-}
-
-// Prints help for the App or Command
-type helpPrinter func(w io.Writer, templ string, data interface{})
-
-// HelpPrinter is a function that writes the help output. If not set a default
-// is used. The function signature is:
-// func(w io.Writer, templ string, data interface{})
-var HelpPrinter helpPrinter = printHelp
-
-// VersionPrinter prints the version for the App
-var VersionPrinter = printVersion
-
-// ShowAppHelp is an action that displays the help.
-func ShowAppHelp(c *Context) error {
- HelpPrinter(c.App.Writer, AppHelpTemplate, c.App)
- return nil
-}
-
-// DefaultAppComplete prints the list of subcommands as the default app completion method
-func DefaultAppComplete(c *Context) {
- for _, command := range c.App.Commands {
- if command.Hidden {
- continue
- }
- for _, name := range command.Names() {
- fmt.Fprintln(c.App.Writer, name)
- }
- }
-}
-
-// ShowCommandHelp prints help for the given command
-func ShowCommandHelp(ctx *Context, command string) error {
- // show the subcommand help for a command with subcommands
- if command == "" {
- HelpPrinter(ctx.App.Writer, SubcommandHelpTemplate, ctx.App)
- return nil
- }
-
- for _, c := range ctx.App.Commands {
- if c.HasName(command) {
- HelpPrinter(ctx.App.Writer, CommandHelpTemplate, c)
- return nil
- }
- }
-
- if ctx.App.CommandNotFound == nil {
- return NewExitError(fmt.Sprintf("No help topic for '%v'", command), 3)
- }
-
- ctx.App.CommandNotFound(ctx, command)
- return nil
-}
-
-// ShowSubcommandHelp prints help for the given subcommand
-func ShowSubcommandHelp(c *Context) error {
- return ShowCommandHelp(c, c.Command.Name)
-}
-
-// ShowVersion prints the version number of the App
-func ShowVersion(c *Context) {
- VersionPrinter(c)
-}
-
-func printVersion(c *Context) {
- fmt.Fprintf(c.App.Writer, "%v version %v\n", c.App.Name, c.App.Version)
-}
-
-// ShowCompletions prints the lists of commands within a given context
-func ShowCompletions(c *Context) {
- a := c.App
- if a != nil && a.BashComplete != nil {
- a.BashComplete(c)
- }
-}
-
-// ShowCommandCompletions prints the custom completions for a given command
-func ShowCommandCompletions(ctx *Context, command string) {
- c := ctx.App.Command(command)
- if c != nil && c.BashComplete != nil {
- c.BashComplete(ctx)
- }
-}
-
-func printHelp(out io.Writer, templ string, data interface{}) {
- funcMap := template.FuncMap{
- "join": strings.Join,
- }
-
- w := tabwriter.NewWriter(out, 1, 8, 2, ' ', 0)
- t := template.Must(template.New("help").Funcs(funcMap).Parse(templ))
- err := t.Execute(w, data)
- if err != nil {
- // If the writer is closed, t.Execute will fail, and there's nothing
- // we can do to recover.
- if os.Getenv("CLI_TEMPLATE_ERROR_DEBUG") != "" {
- fmt.Fprintf(ErrWriter, "CLI TEMPLATE ERROR: %#v\n", err)
- }
- return
- }
- w.Flush()
-}
-
-func checkVersion(c *Context) bool {
- found := false
- if VersionFlag.Name != "" {
- eachName(VersionFlag.Name, func(name string) {
- if c.GlobalBool(name) || c.Bool(name) {
- found = true
- }
- })
- }
- return found
-}
-
-func checkHelp(c *Context) bool {
- found := false
- if HelpFlag.Name != "" {
- eachName(HelpFlag.Name, func(name string) {
- if c.GlobalBool(name) || c.Bool(name) {
- found = true
- }
- })
- }
- return found
-}
-
-func checkCommandHelp(c *Context, name string) bool {
- if c.Bool("h") || c.Bool("help") {
- ShowCommandHelp(c, name)
- return true
- }
-
- return false
-}
-
-func checkSubcommandHelp(c *Context) bool {
- if c.Bool("h") || c.Bool("help") {
- ShowSubcommandHelp(c)
- return true
- }
-
- return false
-}
-
-func checkCompletions(c *Context) bool {
- if (c.GlobalBool(BashCompletionFlag.Name) || c.Bool(BashCompletionFlag.Name)) && c.App.EnableBashCompletion {
- ShowCompletions(c)
- return true
- }
-
- return false
-}
-
-func checkCommandCompletions(c *Context, name string) bool {
- if c.Bool(BashCompletionFlag.Name) && c.App.EnableBashCompletion {
- ShowCommandCompletions(c, name)
- return true
- }
-
- return false
-}
diff --git a/vendor/github.com/urfave/cli/runtests b/vendor/github.com/urfave/cli/runtests
deleted file mode 100755
index e13faf7..0000000
--- a/vendor/github.com/urfave/cli/runtests
+++ /dev/null
@@ -1,118 +0,0 @@
-#!/usr/bin/env python
-from __future__ import print_function
-
-import argparse
-import os
-import sys
-import tempfile
-
-from subprocess import check_call, check_output
-
-
-PACKAGE_NAME = os.environ.get(
- 'CLI_PACKAGE_NAME', 'github.com/urfave/cli'
-)
-
-
-def main(sysargs=sys.argv[:]):
- targets = {
- 'vet': _vet,
- 'test': _test,
- 'gfmrun': _gfmrun,
- 'toc': _toc,
- 'gen': _gen,
- }
-
- parser = argparse.ArgumentParser()
- parser.add_argument(
- 'target', nargs='?', choices=tuple(targets.keys()), default='test'
- )
- args = parser.parse_args(sysargs[1:])
-
- targets[args.target]()
- return 0
-
-
-def _test():
- if check_output('go version'.split()).split()[2] < 'go1.2':
- _run('go test -v .')
- return
-
- coverprofiles = []
- for subpackage in ['', 'altsrc']:
- coverprofile = 'cli.coverprofile'
- if subpackage != '':
- coverprofile = '{}.coverprofile'.format(subpackage)
-
- coverprofiles.append(coverprofile)
-
- _run('go test -v'.split() + [
- '-coverprofile={}'.format(coverprofile),
- ('{}/{}'.format(PACKAGE_NAME, subpackage)).rstrip('/')
- ])
-
- combined_name = _combine_coverprofiles(coverprofiles)
- _run('go tool cover -func={}'.format(combined_name))
- os.remove(combined_name)
-
-
-def _gfmrun():
- _run(['gfmrun', '-c', str(_gfmrun_count()), '-s', 'README.md'])
-
-
-def _vet():
- _run('go vet ./...')
-
-
-def _toc():
- _run('node_modules/.bin/markdown-toc -i README.md')
- _run('git diff --exit-code')
-
-
-def _gen():
- go_version = check_output('go version'.split()).split()[2]
- if go_version < 'go1.5':
- print('runtests: skip on {}'.format(go_version), file=sys.stderr)
- return
-
- _run('go generate ./...')
- _run('git diff --exit-code')
-
-
-def _run(command):
- if hasattr(command, 'split'):
- command = command.split()
- print('runtests: {}'.format(' '.join(command)), file=sys.stderr)
- check_call(command)
-
-
-def _gfmrun_count():
- with open('README.md') as infile:
- lines = infile.read().splitlines()
- return len(filter(_is_go_runnable, lines))
-
-
-def _is_go_runnable(line):
- return line.startswith('package main')
-
-
-def _combine_coverprofiles(coverprofiles):
- combined = tempfile.NamedTemporaryFile(
- suffix='.coverprofile', delete=False
- )
- combined.write('mode: set\n')
-
- for coverprofile in coverprofiles:
- with open(coverprofile, 'r') as infile:
- for line in infile.readlines():
- if not line.startswith('mode: '):
- combined.write(line)
-
- combined.flush()
- name = combined.name
- combined.close()
- return name
-
-
-if __name__ == '__main__':
- sys.exit(main())
diff --git a/vendor/golang.org/x/crypto/LICENSE b/vendor/golang.org/x/crypto/LICENSE
deleted file mode 100644
index 6a66aea..0000000
--- a/vendor/golang.org/x/crypto/LICENSE
+++ /dev/null
@@ -1,27 +0,0 @@
-Copyright (c) 2009 The Go Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
- * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/vendor/golang.org/x/crypto/PATENTS b/vendor/golang.org/x/crypto/PATENTS
deleted file mode 100644
index 7330990..0000000
--- a/vendor/golang.org/x/crypto/PATENTS
+++ /dev/null
@@ -1,22 +0,0 @@
-Additional IP Rights Grant (Patents)
-
-"This implementation" means the copyrightable works distributed by
-Google as part of the Go project.
-
-Google hereby grants to You a perpetual, worldwide, non-exclusive,
-no-charge, royalty-free, irrevocable (except as stated in this section)
-patent license to make, have made, use, offer to sell, sell, import,
-transfer and otherwise run, modify and propagate the contents of this
-implementation of Go, where such license applies only to those patent
-claims, both currently owned or controlled by Google and acquired in
-the future, licensable by Google that are necessarily infringed by this
-implementation of Go. This grant does not include claims that would be
-infringed only as a consequence of further modification of this
-implementation. If you or your agent or exclusive licensee institute or
-order or agree to the institution of patent litigation against any
-entity (including a cross-claim or counterclaim in a lawsuit) alleging
-that this implementation of Go or any code incorporated within this
-implementation of Go constitutes direct or contributory patent
-infringement, or inducement of patent infringement, then any patent
-rights granted to you under this License for this implementation of Go
-shall terminate as of the date such litigation is filed.
diff --git a/vendor/golang.org/x/crypto/curve25519/const_amd64.s b/vendor/golang.org/x/crypto/curve25519/const_amd64.s
deleted file mode 100644
index 797f9b0..0000000
--- a/vendor/golang.org/x/crypto/curve25519/const_amd64.s
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This code was translated into a form compatible with 6a from the public
-// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
-
-// +build amd64,!gccgo,!appengine
-
-DATA ·REDMASK51(SB)/8, $0x0007FFFFFFFFFFFF
-GLOBL ·REDMASK51(SB), 8, $8
-
-DATA ·_121666_213(SB)/8, $996687872
-GLOBL ·_121666_213(SB), 8, $8
-
-DATA ·_2P0(SB)/8, $0xFFFFFFFFFFFDA
-GLOBL ·_2P0(SB), 8, $8
-
-DATA ·_2P1234(SB)/8, $0xFFFFFFFFFFFFE
-GLOBL ·_2P1234(SB), 8, $8
diff --git a/vendor/golang.org/x/crypto/curve25519/cswap_amd64.s b/vendor/golang.org/x/crypto/curve25519/cswap_amd64.s
deleted file mode 100644
index 45484d1..0000000
--- a/vendor/golang.org/x/crypto/curve25519/cswap_amd64.s
+++ /dev/null
@@ -1,88 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This code was translated into a form compatible with 6a from the public
-// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
-
-// +build amd64,!gccgo,!appengine
-
-// func cswap(inout *[5]uint64, v uint64)
-TEXT ·cswap(SB),7,$0
- MOVQ inout+0(FP),DI
- MOVQ v+8(FP),SI
-
- CMPQ SI,$1
- MOVQ 0(DI),SI
- MOVQ 80(DI),DX
- MOVQ 8(DI),CX
- MOVQ 88(DI),R8
- MOVQ SI,R9
- CMOVQEQ DX,SI
- CMOVQEQ R9,DX
- MOVQ CX,R9
- CMOVQEQ R8,CX
- CMOVQEQ R9,R8
- MOVQ SI,0(DI)
- MOVQ DX,80(DI)
- MOVQ CX,8(DI)
- MOVQ R8,88(DI)
- MOVQ 16(DI),SI
- MOVQ 96(DI),DX
- MOVQ 24(DI),CX
- MOVQ 104(DI),R8
- MOVQ SI,R9
- CMOVQEQ DX,SI
- CMOVQEQ R9,DX
- MOVQ CX,R9
- CMOVQEQ R8,CX
- CMOVQEQ R9,R8
- MOVQ SI,16(DI)
- MOVQ DX,96(DI)
- MOVQ CX,24(DI)
- MOVQ R8,104(DI)
- MOVQ 32(DI),SI
- MOVQ 112(DI),DX
- MOVQ 40(DI),CX
- MOVQ 120(DI),R8
- MOVQ SI,R9
- CMOVQEQ DX,SI
- CMOVQEQ R9,DX
- MOVQ CX,R9
- CMOVQEQ R8,CX
- CMOVQEQ R9,R8
- MOVQ SI,32(DI)
- MOVQ DX,112(DI)
- MOVQ CX,40(DI)
- MOVQ R8,120(DI)
- MOVQ 48(DI),SI
- MOVQ 128(DI),DX
- MOVQ 56(DI),CX
- MOVQ 136(DI),R8
- MOVQ SI,R9
- CMOVQEQ DX,SI
- CMOVQEQ R9,DX
- MOVQ CX,R9
- CMOVQEQ R8,CX
- CMOVQEQ R9,R8
- MOVQ SI,48(DI)
- MOVQ DX,128(DI)
- MOVQ CX,56(DI)
- MOVQ R8,136(DI)
- MOVQ 64(DI),SI
- MOVQ 144(DI),DX
- MOVQ 72(DI),CX
- MOVQ 152(DI),R8
- MOVQ SI,R9
- CMOVQEQ DX,SI
- CMOVQEQ R9,DX
- MOVQ CX,R9
- CMOVQEQ R8,CX
- CMOVQEQ R9,R8
- MOVQ SI,64(DI)
- MOVQ DX,144(DI)
- MOVQ CX,72(DI)
- MOVQ R8,152(DI)
- MOVQ DI,AX
- MOVQ SI,DX
- RET
diff --git a/vendor/golang.org/x/crypto/curve25519/curve25519.go b/vendor/golang.org/x/crypto/curve25519/curve25519.go
deleted file mode 100644
index 6918c47..0000000
--- a/vendor/golang.org/x/crypto/curve25519/curve25519.go
+++ /dev/null
@@ -1,841 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// We have a implementation in amd64 assembly so this code is only run on
-// non-amd64 platforms. The amd64 assembly does not support gccgo.
-// +build !amd64 gccgo appengine
-
-package curve25519
-
-// This code is a port of the public domain, "ref10" implementation of
-// curve25519 from SUPERCOP 20130419 by D. J. Bernstein.
-
-// fieldElement represents an element of the field GF(2^255 - 19). An element
-// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
-// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on
-// context.
-type fieldElement [10]int32
-
-func feZero(fe *fieldElement) {
- for i := range fe {
- fe[i] = 0
- }
-}
-
-func feOne(fe *fieldElement) {
- feZero(fe)
- fe[0] = 1
-}
-
-func feAdd(dst, a, b *fieldElement) {
- for i := range dst {
- dst[i] = a[i] + b[i]
- }
-}
-
-func feSub(dst, a, b *fieldElement) {
- for i := range dst {
- dst[i] = a[i] - b[i]
- }
-}
-
-func feCopy(dst, src *fieldElement) {
- for i := range dst {
- dst[i] = src[i]
- }
-}
-
-// feCSwap replaces (f,g) with (g,f) if b == 1; replaces (f,g) with (f,g) if b == 0.
-//
-// Preconditions: b in {0,1}.
-func feCSwap(f, g *fieldElement, b int32) {
- var x fieldElement
- b = -b
- for i := range x {
- x[i] = b & (f[i] ^ g[i])
- }
-
- for i := range f {
- f[i] ^= x[i]
- }
- for i := range g {
- g[i] ^= x[i]
- }
-}
-
-// load3 reads a 24-bit, little-endian value from in.
-func load3(in []byte) int64 {
- var r int64
- r = int64(in[0])
- r |= int64(in[1]) << 8
- r |= int64(in[2]) << 16
- return r
-}
-
-// load4 reads a 32-bit, little-endian value from in.
-func load4(in []byte) int64 {
- var r int64
- r = int64(in[0])
- r |= int64(in[1]) << 8
- r |= int64(in[2]) << 16
- r |= int64(in[3]) << 24
- return r
-}
-
-func feFromBytes(dst *fieldElement, src *[32]byte) {
- h0 := load4(src[:])
- h1 := load3(src[4:]) << 6
- h2 := load3(src[7:]) << 5
- h3 := load3(src[10:]) << 3
- h4 := load3(src[13:]) << 2
- h5 := load4(src[16:])
- h6 := load3(src[20:]) << 7
- h7 := load3(src[23:]) << 5
- h8 := load3(src[26:]) << 4
- h9 := load3(src[29:]) << 2
-
- var carry [10]int64
- carry[9] = (h9 + 1<<24) >> 25
- h0 += carry[9] * 19
- h9 -= carry[9] << 25
- carry[1] = (h1 + 1<<24) >> 25
- h2 += carry[1]
- h1 -= carry[1] << 25
- carry[3] = (h3 + 1<<24) >> 25
- h4 += carry[3]
- h3 -= carry[3] << 25
- carry[5] = (h5 + 1<<24) >> 25
- h6 += carry[5]
- h5 -= carry[5] << 25
- carry[7] = (h7 + 1<<24) >> 25
- h8 += carry[7]
- h7 -= carry[7] << 25
-
- carry[0] = (h0 + 1<<25) >> 26
- h1 += carry[0]
- h0 -= carry[0] << 26
- carry[2] = (h2 + 1<<25) >> 26
- h3 += carry[2]
- h2 -= carry[2] << 26
- carry[4] = (h4 + 1<<25) >> 26
- h5 += carry[4]
- h4 -= carry[4] << 26
- carry[6] = (h6 + 1<<25) >> 26
- h7 += carry[6]
- h6 -= carry[6] << 26
- carry[8] = (h8 + 1<<25) >> 26
- h9 += carry[8]
- h8 -= carry[8] << 26
-
- dst[0] = int32(h0)
- dst[1] = int32(h1)
- dst[2] = int32(h2)
- dst[3] = int32(h3)
- dst[4] = int32(h4)
- dst[5] = int32(h5)
- dst[6] = int32(h6)
- dst[7] = int32(h7)
- dst[8] = int32(h8)
- dst[9] = int32(h9)
-}
-
-// feToBytes marshals h to s.
-// Preconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Write p=2^255-19; q=floor(h/p).
-// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
-//
-// Proof:
-// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
-// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4.
-//
-// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
-// Then 0> 25
- q = (h[0] + q) >> 26
- q = (h[1] + q) >> 25
- q = (h[2] + q) >> 26
- q = (h[3] + q) >> 25
- q = (h[4] + q) >> 26
- q = (h[5] + q) >> 25
- q = (h[6] + q) >> 26
- q = (h[7] + q) >> 25
- q = (h[8] + q) >> 26
- q = (h[9] + q) >> 25
-
- // Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20.
- h[0] += 19 * q
- // Goal: Output h-2^255 q, which is between 0 and 2^255-20.
-
- carry[0] = h[0] >> 26
- h[1] += carry[0]
- h[0] -= carry[0] << 26
- carry[1] = h[1] >> 25
- h[2] += carry[1]
- h[1] -= carry[1] << 25
- carry[2] = h[2] >> 26
- h[3] += carry[2]
- h[2] -= carry[2] << 26
- carry[3] = h[3] >> 25
- h[4] += carry[3]
- h[3] -= carry[3] << 25
- carry[4] = h[4] >> 26
- h[5] += carry[4]
- h[4] -= carry[4] << 26
- carry[5] = h[5] >> 25
- h[6] += carry[5]
- h[5] -= carry[5] << 25
- carry[6] = h[6] >> 26
- h[7] += carry[6]
- h[6] -= carry[6] << 26
- carry[7] = h[7] >> 25
- h[8] += carry[7]
- h[7] -= carry[7] << 25
- carry[8] = h[8] >> 26
- h[9] += carry[8]
- h[8] -= carry[8] << 26
- carry[9] = h[9] >> 25
- h[9] -= carry[9] << 25
- // h10 = carry9
-
- // Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
- // Have h[0]+...+2^230 h[9] between 0 and 2^255-1;
- // evidently 2^255 h10-2^255 q = 0.
- // Goal: Output h[0]+...+2^230 h[9].
-
- s[0] = byte(h[0] >> 0)
- s[1] = byte(h[0] >> 8)
- s[2] = byte(h[0] >> 16)
- s[3] = byte((h[0] >> 24) | (h[1] << 2))
- s[4] = byte(h[1] >> 6)
- s[5] = byte(h[1] >> 14)
- s[6] = byte((h[1] >> 22) | (h[2] << 3))
- s[7] = byte(h[2] >> 5)
- s[8] = byte(h[2] >> 13)
- s[9] = byte((h[2] >> 21) | (h[3] << 5))
- s[10] = byte(h[3] >> 3)
- s[11] = byte(h[3] >> 11)
- s[12] = byte((h[3] >> 19) | (h[4] << 6))
- s[13] = byte(h[4] >> 2)
- s[14] = byte(h[4] >> 10)
- s[15] = byte(h[4] >> 18)
- s[16] = byte(h[5] >> 0)
- s[17] = byte(h[5] >> 8)
- s[18] = byte(h[5] >> 16)
- s[19] = byte((h[5] >> 24) | (h[6] << 1))
- s[20] = byte(h[6] >> 7)
- s[21] = byte(h[6] >> 15)
- s[22] = byte((h[6] >> 23) | (h[7] << 3))
- s[23] = byte(h[7] >> 5)
- s[24] = byte(h[7] >> 13)
- s[25] = byte((h[7] >> 21) | (h[8] << 4))
- s[26] = byte(h[8] >> 4)
- s[27] = byte(h[8] >> 12)
- s[28] = byte((h[8] >> 20) | (h[9] << 6))
- s[29] = byte(h[9] >> 2)
- s[30] = byte(h[9] >> 10)
- s[31] = byte(h[9] >> 18)
-}
-
-// feMul calculates h = f * g
-// Can overlap h with f or g.
-//
-// Preconditions:
-// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Notes on implementation strategy:
-//
-// Using schoolbook multiplication.
-// Karatsuba would save a little in some cost models.
-//
-// Most multiplications by 2 and 19 are 32-bit precomputations;
-// cheaper than 64-bit postcomputations.
-//
-// There is one remaining multiplication by 19 in the carry chain;
-// one *19 precomputation can be merged into this,
-// but the resulting data flow is considerably less clean.
-//
-// There are 12 carries below.
-// 10 of them are 2-way parallelizable and vectorizable.
-// Can get away with 11 carries, but then data flow is much deeper.
-//
-// With tighter constraints on inputs can squeeze carries into int32.
-func feMul(h, f, g *fieldElement) {
- f0 := f[0]
- f1 := f[1]
- f2 := f[2]
- f3 := f[3]
- f4 := f[4]
- f5 := f[5]
- f6 := f[6]
- f7 := f[7]
- f8 := f[8]
- f9 := f[9]
- g0 := g[0]
- g1 := g[1]
- g2 := g[2]
- g3 := g[3]
- g4 := g[4]
- g5 := g[5]
- g6 := g[6]
- g7 := g[7]
- g8 := g[8]
- g9 := g[9]
- g1_19 := 19 * g1 // 1.4*2^29
- g2_19 := 19 * g2 // 1.4*2^30; still ok
- g3_19 := 19 * g3
- g4_19 := 19 * g4
- g5_19 := 19 * g5
- g6_19 := 19 * g6
- g7_19 := 19 * g7
- g8_19 := 19 * g8
- g9_19 := 19 * g9
- f1_2 := 2 * f1
- f3_2 := 2 * f3
- f5_2 := 2 * f5
- f7_2 := 2 * f7
- f9_2 := 2 * f9
- f0g0 := int64(f0) * int64(g0)
- f0g1 := int64(f0) * int64(g1)
- f0g2 := int64(f0) * int64(g2)
- f0g3 := int64(f0) * int64(g3)
- f0g4 := int64(f0) * int64(g4)
- f0g5 := int64(f0) * int64(g5)
- f0g6 := int64(f0) * int64(g6)
- f0g7 := int64(f0) * int64(g7)
- f0g8 := int64(f0) * int64(g8)
- f0g9 := int64(f0) * int64(g9)
- f1g0 := int64(f1) * int64(g0)
- f1g1_2 := int64(f1_2) * int64(g1)
- f1g2 := int64(f1) * int64(g2)
- f1g3_2 := int64(f1_2) * int64(g3)
- f1g4 := int64(f1) * int64(g4)
- f1g5_2 := int64(f1_2) * int64(g5)
- f1g6 := int64(f1) * int64(g6)
- f1g7_2 := int64(f1_2) * int64(g7)
- f1g8 := int64(f1) * int64(g8)
- f1g9_38 := int64(f1_2) * int64(g9_19)
- f2g0 := int64(f2) * int64(g0)
- f2g1 := int64(f2) * int64(g1)
- f2g2 := int64(f2) * int64(g2)
- f2g3 := int64(f2) * int64(g3)
- f2g4 := int64(f2) * int64(g4)
- f2g5 := int64(f2) * int64(g5)
- f2g6 := int64(f2) * int64(g6)
- f2g7 := int64(f2) * int64(g7)
- f2g8_19 := int64(f2) * int64(g8_19)
- f2g9_19 := int64(f2) * int64(g9_19)
- f3g0 := int64(f3) * int64(g0)
- f3g1_2 := int64(f3_2) * int64(g1)
- f3g2 := int64(f3) * int64(g2)
- f3g3_2 := int64(f3_2) * int64(g3)
- f3g4 := int64(f3) * int64(g4)
- f3g5_2 := int64(f3_2) * int64(g5)
- f3g6 := int64(f3) * int64(g6)
- f3g7_38 := int64(f3_2) * int64(g7_19)
- f3g8_19 := int64(f3) * int64(g8_19)
- f3g9_38 := int64(f3_2) * int64(g9_19)
- f4g0 := int64(f4) * int64(g0)
- f4g1 := int64(f4) * int64(g1)
- f4g2 := int64(f4) * int64(g2)
- f4g3 := int64(f4) * int64(g3)
- f4g4 := int64(f4) * int64(g4)
- f4g5 := int64(f4) * int64(g5)
- f4g6_19 := int64(f4) * int64(g6_19)
- f4g7_19 := int64(f4) * int64(g7_19)
- f4g8_19 := int64(f4) * int64(g8_19)
- f4g9_19 := int64(f4) * int64(g9_19)
- f5g0 := int64(f5) * int64(g0)
- f5g1_2 := int64(f5_2) * int64(g1)
- f5g2 := int64(f5) * int64(g2)
- f5g3_2 := int64(f5_2) * int64(g3)
- f5g4 := int64(f5) * int64(g4)
- f5g5_38 := int64(f5_2) * int64(g5_19)
- f5g6_19 := int64(f5) * int64(g6_19)
- f5g7_38 := int64(f5_2) * int64(g7_19)
- f5g8_19 := int64(f5) * int64(g8_19)
- f5g9_38 := int64(f5_2) * int64(g9_19)
- f6g0 := int64(f6) * int64(g0)
- f6g1 := int64(f6) * int64(g1)
- f6g2 := int64(f6) * int64(g2)
- f6g3 := int64(f6) * int64(g3)
- f6g4_19 := int64(f6) * int64(g4_19)
- f6g5_19 := int64(f6) * int64(g5_19)
- f6g6_19 := int64(f6) * int64(g6_19)
- f6g7_19 := int64(f6) * int64(g7_19)
- f6g8_19 := int64(f6) * int64(g8_19)
- f6g9_19 := int64(f6) * int64(g9_19)
- f7g0 := int64(f7) * int64(g0)
- f7g1_2 := int64(f7_2) * int64(g1)
- f7g2 := int64(f7) * int64(g2)
- f7g3_38 := int64(f7_2) * int64(g3_19)
- f7g4_19 := int64(f7) * int64(g4_19)
- f7g5_38 := int64(f7_2) * int64(g5_19)
- f7g6_19 := int64(f7) * int64(g6_19)
- f7g7_38 := int64(f7_2) * int64(g7_19)
- f7g8_19 := int64(f7) * int64(g8_19)
- f7g9_38 := int64(f7_2) * int64(g9_19)
- f8g0 := int64(f8) * int64(g0)
- f8g1 := int64(f8) * int64(g1)
- f8g2_19 := int64(f8) * int64(g2_19)
- f8g3_19 := int64(f8) * int64(g3_19)
- f8g4_19 := int64(f8) * int64(g4_19)
- f8g5_19 := int64(f8) * int64(g5_19)
- f8g6_19 := int64(f8) * int64(g6_19)
- f8g7_19 := int64(f8) * int64(g7_19)
- f8g8_19 := int64(f8) * int64(g8_19)
- f8g9_19 := int64(f8) * int64(g9_19)
- f9g0 := int64(f9) * int64(g0)
- f9g1_38 := int64(f9_2) * int64(g1_19)
- f9g2_19 := int64(f9) * int64(g2_19)
- f9g3_38 := int64(f9_2) * int64(g3_19)
- f9g4_19 := int64(f9) * int64(g4_19)
- f9g5_38 := int64(f9_2) * int64(g5_19)
- f9g6_19 := int64(f9) * int64(g6_19)
- f9g7_38 := int64(f9_2) * int64(g7_19)
- f9g8_19 := int64(f9) * int64(g8_19)
- f9g9_38 := int64(f9_2) * int64(g9_19)
- h0 := f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + f8g2_19 + f9g1_38
- h1 := f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + f8g3_19 + f9g2_19
- h2 := f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + f8g4_19 + f9g3_38
- h3 := f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19
- h4 := f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38
- h5 := f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19
- h6 := f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38
- h7 := f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19
- h8 := f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38
- h9 := f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0
- var carry [10]int64
-
- // |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38))
- // i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8
- // |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19))
- // i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9
-
- carry[0] = (h0 + (1 << 25)) >> 26
- h1 += carry[0]
- h0 -= carry[0] << 26
- carry[4] = (h4 + (1 << 25)) >> 26
- h5 += carry[4]
- h4 -= carry[4] << 26
- // |h0| <= 2^25
- // |h4| <= 2^25
- // |h1| <= 1.51*2^58
- // |h5| <= 1.51*2^58
-
- carry[1] = (h1 + (1 << 24)) >> 25
- h2 += carry[1]
- h1 -= carry[1] << 25
- carry[5] = (h5 + (1 << 24)) >> 25
- h6 += carry[5]
- h5 -= carry[5] << 25
- // |h1| <= 2^24; from now on fits into int32
- // |h5| <= 2^24; from now on fits into int32
- // |h2| <= 1.21*2^59
- // |h6| <= 1.21*2^59
-
- carry[2] = (h2 + (1 << 25)) >> 26
- h3 += carry[2]
- h2 -= carry[2] << 26
- carry[6] = (h6 + (1 << 25)) >> 26
- h7 += carry[6]
- h6 -= carry[6] << 26
- // |h2| <= 2^25; from now on fits into int32 unchanged
- // |h6| <= 2^25; from now on fits into int32 unchanged
- // |h3| <= 1.51*2^58
- // |h7| <= 1.51*2^58
-
- carry[3] = (h3 + (1 << 24)) >> 25
- h4 += carry[3]
- h3 -= carry[3] << 25
- carry[7] = (h7 + (1 << 24)) >> 25
- h8 += carry[7]
- h7 -= carry[7] << 25
- // |h3| <= 2^24; from now on fits into int32 unchanged
- // |h7| <= 2^24; from now on fits into int32 unchanged
- // |h4| <= 1.52*2^33
- // |h8| <= 1.52*2^33
-
- carry[4] = (h4 + (1 << 25)) >> 26
- h5 += carry[4]
- h4 -= carry[4] << 26
- carry[8] = (h8 + (1 << 25)) >> 26
- h9 += carry[8]
- h8 -= carry[8] << 26
- // |h4| <= 2^25; from now on fits into int32 unchanged
- // |h8| <= 2^25; from now on fits into int32 unchanged
- // |h5| <= 1.01*2^24
- // |h9| <= 1.51*2^58
-
- carry[9] = (h9 + (1 << 24)) >> 25
- h0 += carry[9] * 19
- h9 -= carry[9] << 25
- // |h9| <= 2^24; from now on fits into int32 unchanged
- // |h0| <= 1.8*2^37
-
- carry[0] = (h0 + (1 << 25)) >> 26
- h1 += carry[0]
- h0 -= carry[0] << 26
- // |h0| <= 2^25; from now on fits into int32 unchanged
- // |h1| <= 1.01*2^24
-
- h[0] = int32(h0)
- h[1] = int32(h1)
- h[2] = int32(h2)
- h[3] = int32(h3)
- h[4] = int32(h4)
- h[5] = int32(h5)
- h[6] = int32(h6)
- h[7] = int32(h7)
- h[8] = int32(h8)
- h[9] = int32(h9)
-}
-
-// feSquare calculates h = f*f. Can overlap h with f.
-//
-// Preconditions:
-// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-func feSquare(h, f *fieldElement) {
- f0 := f[0]
- f1 := f[1]
- f2 := f[2]
- f3 := f[3]
- f4 := f[4]
- f5 := f[5]
- f6 := f[6]
- f7 := f[7]
- f8 := f[8]
- f9 := f[9]
- f0_2 := 2 * f0
- f1_2 := 2 * f1
- f2_2 := 2 * f2
- f3_2 := 2 * f3
- f4_2 := 2 * f4
- f5_2 := 2 * f5
- f6_2 := 2 * f6
- f7_2 := 2 * f7
- f5_38 := 38 * f5 // 1.31*2^30
- f6_19 := 19 * f6 // 1.31*2^30
- f7_38 := 38 * f7 // 1.31*2^30
- f8_19 := 19 * f8 // 1.31*2^30
- f9_38 := 38 * f9 // 1.31*2^30
- f0f0 := int64(f0) * int64(f0)
- f0f1_2 := int64(f0_2) * int64(f1)
- f0f2_2 := int64(f0_2) * int64(f2)
- f0f3_2 := int64(f0_2) * int64(f3)
- f0f4_2 := int64(f0_2) * int64(f4)
- f0f5_2 := int64(f0_2) * int64(f5)
- f0f6_2 := int64(f0_2) * int64(f6)
- f0f7_2 := int64(f0_2) * int64(f7)
- f0f8_2 := int64(f0_2) * int64(f8)
- f0f9_2 := int64(f0_2) * int64(f9)
- f1f1_2 := int64(f1_2) * int64(f1)
- f1f2_2 := int64(f1_2) * int64(f2)
- f1f3_4 := int64(f1_2) * int64(f3_2)
- f1f4_2 := int64(f1_2) * int64(f4)
- f1f5_4 := int64(f1_2) * int64(f5_2)
- f1f6_2 := int64(f1_2) * int64(f6)
- f1f7_4 := int64(f1_2) * int64(f7_2)
- f1f8_2 := int64(f1_2) * int64(f8)
- f1f9_76 := int64(f1_2) * int64(f9_38)
- f2f2 := int64(f2) * int64(f2)
- f2f3_2 := int64(f2_2) * int64(f3)
- f2f4_2 := int64(f2_2) * int64(f4)
- f2f5_2 := int64(f2_2) * int64(f5)
- f2f6_2 := int64(f2_2) * int64(f6)
- f2f7_2 := int64(f2_2) * int64(f7)
- f2f8_38 := int64(f2_2) * int64(f8_19)
- f2f9_38 := int64(f2) * int64(f9_38)
- f3f3_2 := int64(f3_2) * int64(f3)
- f3f4_2 := int64(f3_2) * int64(f4)
- f3f5_4 := int64(f3_2) * int64(f5_2)
- f3f6_2 := int64(f3_2) * int64(f6)
- f3f7_76 := int64(f3_2) * int64(f7_38)
- f3f8_38 := int64(f3_2) * int64(f8_19)
- f3f9_76 := int64(f3_2) * int64(f9_38)
- f4f4 := int64(f4) * int64(f4)
- f4f5_2 := int64(f4_2) * int64(f5)
- f4f6_38 := int64(f4_2) * int64(f6_19)
- f4f7_38 := int64(f4) * int64(f7_38)
- f4f8_38 := int64(f4_2) * int64(f8_19)
- f4f9_38 := int64(f4) * int64(f9_38)
- f5f5_38 := int64(f5) * int64(f5_38)
- f5f6_38 := int64(f5_2) * int64(f6_19)
- f5f7_76 := int64(f5_2) * int64(f7_38)
- f5f8_38 := int64(f5_2) * int64(f8_19)
- f5f9_76 := int64(f5_2) * int64(f9_38)
- f6f6_19 := int64(f6) * int64(f6_19)
- f6f7_38 := int64(f6) * int64(f7_38)
- f6f8_38 := int64(f6_2) * int64(f8_19)
- f6f9_38 := int64(f6) * int64(f9_38)
- f7f7_38 := int64(f7) * int64(f7_38)
- f7f8_38 := int64(f7_2) * int64(f8_19)
- f7f9_76 := int64(f7_2) * int64(f9_38)
- f8f8_19 := int64(f8) * int64(f8_19)
- f8f9_38 := int64(f8) * int64(f9_38)
- f9f9_38 := int64(f9) * int64(f9_38)
- h0 := f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38
- h1 := f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38
- h2 := f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19
- h3 := f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38
- h4 := f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38
- h5 := f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38
- h6 := f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19
- h7 := f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38
- h8 := f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38
- h9 := f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2
- var carry [10]int64
-
- carry[0] = (h0 + (1 << 25)) >> 26
- h1 += carry[0]
- h0 -= carry[0] << 26
- carry[4] = (h4 + (1 << 25)) >> 26
- h5 += carry[4]
- h4 -= carry[4] << 26
-
- carry[1] = (h1 + (1 << 24)) >> 25
- h2 += carry[1]
- h1 -= carry[1] << 25
- carry[5] = (h5 + (1 << 24)) >> 25
- h6 += carry[5]
- h5 -= carry[5] << 25
-
- carry[2] = (h2 + (1 << 25)) >> 26
- h3 += carry[2]
- h2 -= carry[2] << 26
- carry[6] = (h6 + (1 << 25)) >> 26
- h7 += carry[6]
- h6 -= carry[6] << 26
-
- carry[3] = (h3 + (1 << 24)) >> 25
- h4 += carry[3]
- h3 -= carry[3] << 25
- carry[7] = (h7 + (1 << 24)) >> 25
- h8 += carry[7]
- h7 -= carry[7] << 25
-
- carry[4] = (h4 + (1 << 25)) >> 26
- h5 += carry[4]
- h4 -= carry[4] << 26
- carry[8] = (h8 + (1 << 25)) >> 26
- h9 += carry[8]
- h8 -= carry[8] << 26
-
- carry[9] = (h9 + (1 << 24)) >> 25
- h0 += carry[9] * 19
- h9 -= carry[9] << 25
-
- carry[0] = (h0 + (1 << 25)) >> 26
- h1 += carry[0]
- h0 -= carry[0] << 26
-
- h[0] = int32(h0)
- h[1] = int32(h1)
- h[2] = int32(h2)
- h[3] = int32(h3)
- h[4] = int32(h4)
- h[5] = int32(h5)
- h[6] = int32(h6)
- h[7] = int32(h7)
- h[8] = int32(h8)
- h[9] = int32(h9)
-}
-
-// feMul121666 calculates h = f * 121666. Can overlap h with f.
-//
-// Preconditions:
-// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-func feMul121666(h, f *fieldElement) {
- h0 := int64(f[0]) * 121666
- h1 := int64(f[1]) * 121666
- h2 := int64(f[2]) * 121666
- h3 := int64(f[3]) * 121666
- h4 := int64(f[4]) * 121666
- h5 := int64(f[5]) * 121666
- h6 := int64(f[6]) * 121666
- h7 := int64(f[7]) * 121666
- h8 := int64(f[8]) * 121666
- h9 := int64(f[9]) * 121666
- var carry [10]int64
-
- carry[9] = (h9 + (1 << 24)) >> 25
- h0 += carry[9] * 19
- h9 -= carry[9] << 25
- carry[1] = (h1 + (1 << 24)) >> 25
- h2 += carry[1]
- h1 -= carry[1] << 25
- carry[3] = (h3 + (1 << 24)) >> 25
- h4 += carry[3]
- h3 -= carry[3] << 25
- carry[5] = (h5 + (1 << 24)) >> 25
- h6 += carry[5]
- h5 -= carry[5] << 25
- carry[7] = (h7 + (1 << 24)) >> 25
- h8 += carry[7]
- h7 -= carry[7] << 25
-
- carry[0] = (h0 + (1 << 25)) >> 26
- h1 += carry[0]
- h0 -= carry[0] << 26
- carry[2] = (h2 + (1 << 25)) >> 26
- h3 += carry[2]
- h2 -= carry[2] << 26
- carry[4] = (h4 + (1 << 25)) >> 26
- h5 += carry[4]
- h4 -= carry[4] << 26
- carry[6] = (h6 + (1 << 25)) >> 26
- h7 += carry[6]
- h6 -= carry[6] << 26
- carry[8] = (h8 + (1 << 25)) >> 26
- h9 += carry[8]
- h8 -= carry[8] << 26
-
- h[0] = int32(h0)
- h[1] = int32(h1)
- h[2] = int32(h2)
- h[3] = int32(h3)
- h[4] = int32(h4)
- h[5] = int32(h5)
- h[6] = int32(h6)
- h[7] = int32(h7)
- h[8] = int32(h8)
- h[9] = int32(h9)
-}
-
-// feInvert sets out = z^-1.
-func feInvert(out, z *fieldElement) {
- var t0, t1, t2, t3 fieldElement
- var i int
-
- feSquare(&t0, z)
- for i = 1; i < 1; i++ {
- feSquare(&t0, &t0)
- }
- feSquare(&t1, &t0)
- for i = 1; i < 2; i++ {
- feSquare(&t1, &t1)
- }
- feMul(&t1, z, &t1)
- feMul(&t0, &t0, &t1)
- feSquare(&t2, &t0)
- for i = 1; i < 1; i++ {
- feSquare(&t2, &t2)
- }
- feMul(&t1, &t1, &t2)
- feSquare(&t2, &t1)
- for i = 1; i < 5; i++ {
- feSquare(&t2, &t2)
- }
- feMul(&t1, &t2, &t1)
- feSquare(&t2, &t1)
- for i = 1; i < 10; i++ {
- feSquare(&t2, &t2)
- }
- feMul(&t2, &t2, &t1)
- feSquare(&t3, &t2)
- for i = 1; i < 20; i++ {
- feSquare(&t3, &t3)
- }
- feMul(&t2, &t3, &t2)
- feSquare(&t2, &t2)
- for i = 1; i < 10; i++ {
- feSquare(&t2, &t2)
- }
- feMul(&t1, &t2, &t1)
- feSquare(&t2, &t1)
- for i = 1; i < 50; i++ {
- feSquare(&t2, &t2)
- }
- feMul(&t2, &t2, &t1)
- feSquare(&t3, &t2)
- for i = 1; i < 100; i++ {
- feSquare(&t3, &t3)
- }
- feMul(&t2, &t3, &t2)
- feSquare(&t2, &t2)
- for i = 1; i < 50; i++ {
- feSquare(&t2, &t2)
- }
- feMul(&t1, &t2, &t1)
- feSquare(&t1, &t1)
- for i = 1; i < 5; i++ {
- feSquare(&t1, &t1)
- }
- feMul(out, &t1, &t0)
-}
-
-func scalarMult(out, in, base *[32]byte) {
- var e [32]byte
-
- copy(e[:], in[:])
- e[0] &= 248
- e[31] &= 127
- e[31] |= 64
-
- var x1, x2, z2, x3, z3, tmp0, tmp1 fieldElement
- feFromBytes(&x1, base)
- feOne(&x2)
- feCopy(&x3, &x1)
- feOne(&z3)
-
- swap := int32(0)
- for pos := 254; pos >= 0; pos-- {
- b := e[pos/8] >> uint(pos&7)
- b &= 1
- swap ^= int32(b)
- feCSwap(&x2, &x3, swap)
- feCSwap(&z2, &z3, swap)
- swap = int32(b)
-
- feSub(&tmp0, &x3, &z3)
- feSub(&tmp1, &x2, &z2)
- feAdd(&x2, &x2, &z2)
- feAdd(&z2, &x3, &z3)
- feMul(&z3, &tmp0, &x2)
- feMul(&z2, &z2, &tmp1)
- feSquare(&tmp0, &tmp1)
- feSquare(&tmp1, &x2)
- feAdd(&x3, &z3, &z2)
- feSub(&z2, &z3, &z2)
- feMul(&x2, &tmp1, &tmp0)
- feSub(&tmp1, &tmp1, &tmp0)
- feSquare(&z2, &z2)
- feMul121666(&z3, &tmp1)
- feSquare(&x3, &x3)
- feAdd(&tmp0, &tmp0, &z3)
- feMul(&z3, &x1, &z2)
- feMul(&z2, &tmp1, &tmp0)
- }
-
- feCSwap(&x2, &x3, swap)
- feCSwap(&z2, &z3, swap)
-
- feInvert(&z2, &z2)
- feMul(&x2, &x2, &z2)
- feToBytes(out, &x2)
-}
diff --git a/vendor/golang.org/x/crypto/curve25519/doc.go b/vendor/golang.org/x/crypto/curve25519/doc.go
deleted file mode 100644
index ebeea3c..0000000
--- a/vendor/golang.org/x/crypto/curve25519/doc.go
+++ /dev/null
@@ -1,23 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package curve25519 provides an implementation of scalar multiplication on
-// the elliptic curve known as curve25519. See http://cr.yp.to/ecdh.html
-package curve25519 // import "golang.org/x/crypto/curve25519"
-
-// basePoint is the x coordinate of the generator of the curve.
-var basePoint = [32]byte{9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
-
-// ScalarMult sets dst to the product in*base where dst and base are the x
-// coordinates of group points and all values are in little-endian form.
-func ScalarMult(dst, in, base *[32]byte) {
- scalarMult(dst, in, base)
-}
-
-// ScalarBaseMult sets dst to the product in*base where dst and base are the x
-// coordinates of group points, base is the standard generator and all values
-// are in little-endian form.
-func ScalarBaseMult(dst, in *[32]byte) {
- ScalarMult(dst, in, &basePoint)
-}
diff --git a/vendor/golang.org/x/crypto/curve25519/freeze_amd64.s b/vendor/golang.org/x/crypto/curve25519/freeze_amd64.s
deleted file mode 100644
index 37599fa..0000000
--- a/vendor/golang.org/x/crypto/curve25519/freeze_amd64.s
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This code was translated into a form compatible with 6a from the public
-// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
-
-// +build amd64,!gccgo,!appengine
-
-// func freeze(inout *[5]uint64)
-TEXT ·freeze(SB),7,$96-8
- MOVQ inout+0(FP), DI
-
- MOVQ SP,R11
- MOVQ $31,CX
- NOTQ CX
- ANDQ CX,SP
- ADDQ $32,SP
-
- MOVQ R11,0(SP)
- MOVQ R12,8(SP)
- MOVQ R13,16(SP)
- MOVQ R14,24(SP)
- MOVQ R15,32(SP)
- MOVQ BX,40(SP)
- MOVQ BP,48(SP)
- MOVQ 0(DI),SI
- MOVQ 8(DI),DX
- MOVQ 16(DI),CX
- MOVQ 24(DI),R8
- MOVQ 32(DI),R9
- MOVQ ·REDMASK51(SB),AX
- MOVQ AX,R10
- SUBQ $18,R10
- MOVQ $3,R11
-REDUCELOOP:
- MOVQ SI,R12
- SHRQ $51,R12
- ANDQ AX,SI
- ADDQ R12,DX
- MOVQ DX,R12
- SHRQ $51,R12
- ANDQ AX,DX
- ADDQ R12,CX
- MOVQ CX,R12
- SHRQ $51,R12
- ANDQ AX,CX
- ADDQ R12,R8
- MOVQ R8,R12
- SHRQ $51,R12
- ANDQ AX,R8
- ADDQ R12,R9
- MOVQ R9,R12
- SHRQ $51,R12
- ANDQ AX,R9
- IMUL3Q $19,R12,R12
- ADDQ R12,SI
- SUBQ $1,R11
- JA REDUCELOOP
- MOVQ $1,R12
- CMPQ R10,SI
- CMOVQLT R11,R12
- CMPQ AX,DX
- CMOVQNE R11,R12
- CMPQ AX,CX
- CMOVQNE R11,R12
- CMPQ AX,R8
- CMOVQNE R11,R12
- CMPQ AX,R9
- CMOVQNE R11,R12
- NEGQ R12
- ANDQ R12,AX
- ANDQ R12,R10
- SUBQ R10,SI
- SUBQ AX,DX
- SUBQ AX,CX
- SUBQ AX,R8
- SUBQ AX,R9
- MOVQ SI,0(DI)
- MOVQ DX,8(DI)
- MOVQ CX,16(DI)
- MOVQ R8,24(DI)
- MOVQ R9,32(DI)
- MOVQ 0(SP),R11
- MOVQ 8(SP),R12
- MOVQ 16(SP),R13
- MOVQ 24(SP),R14
- MOVQ 32(SP),R15
- MOVQ 40(SP),BX
- MOVQ 48(SP),BP
- MOVQ R11,SP
- MOVQ DI,AX
- MOVQ SI,DX
- RET
diff --git a/vendor/golang.org/x/crypto/curve25519/ladderstep_amd64.s b/vendor/golang.org/x/crypto/curve25519/ladderstep_amd64.s
deleted file mode 100644
index 3949f9c..0000000
--- a/vendor/golang.org/x/crypto/curve25519/ladderstep_amd64.s
+++ /dev/null
@@ -1,1398 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This code was translated into a form compatible with 6a from the public
-// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
-
-// +build amd64,!gccgo,!appengine
-
-// func ladderstep(inout *[5][5]uint64)
-TEXT ·ladderstep(SB),0,$384-8
- MOVQ inout+0(FP),DI
-
- MOVQ SP,R11
- MOVQ $31,CX
- NOTQ CX
- ANDQ CX,SP
- ADDQ $32,SP
-
- MOVQ R11,0(SP)
- MOVQ R12,8(SP)
- MOVQ R13,16(SP)
- MOVQ R14,24(SP)
- MOVQ R15,32(SP)
- MOVQ BX,40(SP)
- MOVQ BP,48(SP)
- MOVQ 40(DI),SI
- MOVQ 48(DI),DX
- MOVQ 56(DI),CX
- MOVQ 64(DI),R8
- MOVQ 72(DI),R9
- MOVQ SI,AX
- MOVQ DX,R10
- MOVQ CX,R11
- MOVQ R8,R12
- MOVQ R9,R13
- ADDQ ·_2P0(SB),AX
- ADDQ ·_2P1234(SB),R10
- ADDQ ·_2P1234(SB),R11
- ADDQ ·_2P1234(SB),R12
- ADDQ ·_2P1234(SB),R13
- ADDQ 80(DI),SI
- ADDQ 88(DI),DX
- ADDQ 96(DI),CX
- ADDQ 104(DI),R8
- ADDQ 112(DI),R9
- SUBQ 80(DI),AX
- SUBQ 88(DI),R10
- SUBQ 96(DI),R11
- SUBQ 104(DI),R12
- SUBQ 112(DI),R13
- MOVQ SI,56(SP)
- MOVQ DX,64(SP)
- MOVQ CX,72(SP)
- MOVQ R8,80(SP)
- MOVQ R9,88(SP)
- MOVQ AX,96(SP)
- MOVQ R10,104(SP)
- MOVQ R11,112(SP)
- MOVQ R12,120(SP)
- MOVQ R13,128(SP)
- MOVQ 96(SP),AX
- MULQ 96(SP)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 96(SP),AX
- SHLQ $1,AX
- MULQ 104(SP)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 96(SP),AX
- SHLQ $1,AX
- MULQ 112(SP)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 96(SP),AX
- SHLQ $1,AX
- MULQ 120(SP)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 96(SP),AX
- SHLQ $1,AX
- MULQ 128(SP)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 104(SP),AX
- MULQ 104(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 104(SP),AX
- SHLQ $1,AX
- MULQ 112(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 104(SP),AX
- SHLQ $1,AX
- MULQ 120(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 104(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 128(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 112(SP),AX
- MULQ 112(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 112(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 120(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 112(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 128(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 120(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 120(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 120(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 128(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 128(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 128(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- ANDQ DX,SI
- MOVQ CX,R8
- SHRQ $51,CX
- ADDQ R10,CX
- ANDQ DX,R8
- MOVQ CX,R9
- SHRQ $51,CX
- ADDQ R12,CX
- ANDQ DX,R9
- MOVQ CX,AX
- SHRQ $51,CX
- ADDQ R14,CX
- ANDQ DX,AX
- MOVQ CX,R10
- SHRQ $51,CX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,136(SP)
- MOVQ R8,144(SP)
- MOVQ R9,152(SP)
- MOVQ AX,160(SP)
- MOVQ R10,168(SP)
- MOVQ 56(SP),AX
- MULQ 56(SP)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 56(SP),AX
- SHLQ $1,AX
- MULQ 64(SP)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 56(SP),AX
- SHLQ $1,AX
- MULQ 72(SP)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 56(SP),AX
- SHLQ $1,AX
- MULQ 80(SP)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 56(SP),AX
- SHLQ $1,AX
- MULQ 88(SP)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 64(SP),AX
- MULQ 64(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 64(SP),AX
- SHLQ $1,AX
- MULQ 72(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 64(SP),AX
- SHLQ $1,AX
- MULQ 80(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 64(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 88(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 72(SP),AX
- MULQ 72(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 72(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 80(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 72(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 88(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 80(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 80(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 80(SP),DX
- IMUL3Q $38,DX,AX
- MULQ 88(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 88(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 88(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- ANDQ DX,SI
- MOVQ CX,R8
- SHRQ $51,CX
- ADDQ R10,CX
- ANDQ DX,R8
- MOVQ CX,R9
- SHRQ $51,CX
- ADDQ R12,CX
- ANDQ DX,R9
- MOVQ CX,AX
- SHRQ $51,CX
- ADDQ R14,CX
- ANDQ DX,AX
- MOVQ CX,R10
- SHRQ $51,CX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,176(SP)
- MOVQ R8,184(SP)
- MOVQ R9,192(SP)
- MOVQ AX,200(SP)
- MOVQ R10,208(SP)
- MOVQ SI,SI
- MOVQ R8,DX
- MOVQ R9,CX
- MOVQ AX,R8
- MOVQ R10,R9
- ADDQ ·_2P0(SB),SI
- ADDQ ·_2P1234(SB),DX
- ADDQ ·_2P1234(SB),CX
- ADDQ ·_2P1234(SB),R8
- ADDQ ·_2P1234(SB),R9
- SUBQ 136(SP),SI
- SUBQ 144(SP),DX
- SUBQ 152(SP),CX
- SUBQ 160(SP),R8
- SUBQ 168(SP),R9
- MOVQ SI,216(SP)
- MOVQ DX,224(SP)
- MOVQ CX,232(SP)
- MOVQ R8,240(SP)
- MOVQ R9,248(SP)
- MOVQ 120(DI),SI
- MOVQ 128(DI),DX
- MOVQ 136(DI),CX
- MOVQ 144(DI),R8
- MOVQ 152(DI),R9
- MOVQ SI,AX
- MOVQ DX,R10
- MOVQ CX,R11
- MOVQ R8,R12
- MOVQ R9,R13
- ADDQ ·_2P0(SB),AX
- ADDQ ·_2P1234(SB),R10
- ADDQ ·_2P1234(SB),R11
- ADDQ ·_2P1234(SB),R12
- ADDQ ·_2P1234(SB),R13
- ADDQ 160(DI),SI
- ADDQ 168(DI),DX
- ADDQ 176(DI),CX
- ADDQ 184(DI),R8
- ADDQ 192(DI),R9
- SUBQ 160(DI),AX
- SUBQ 168(DI),R10
- SUBQ 176(DI),R11
- SUBQ 184(DI),R12
- SUBQ 192(DI),R13
- MOVQ SI,256(SP)
- MOVQ DX,264(SP)
- MOVQ CX,272(SP)
- MOVQ R8,280(SP)
- MOVQ R9,288(SP)
- MOVQ AX,296(SP)
- MOVQ R10,304(SP)
- MOVQ R11,312(SP)
- MOVQ R12,320(SP)
- MOVQ R13,328(SP)
- MOVQ 280(SP),SI
- IMUL3Q $19,SI,AX
- MOVQ AX,336(SP)
- MULQ 112(SP)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 288(SP),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,344(SP)
- MULQ 104(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 256(SP),AX
- MULQ 96(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 256(SP),AX
- MULQ 104(SP)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 256(SP),AX
- MULQ 112(SP)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 256(SP),AX
- MULQ 120(SP)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 256(SP),AX
- MULQ 128(SP)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 264(SP),AX
- MULQ 96(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 264(SP),AX
- MULQ 104(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 264(SP),AX
- MULQ 112(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 264(SP),AX
- MULQ 120(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 264(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 128(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 272(SP),AX
- MULQ 96(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 272(SP),AX
- MULQ 104(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 272(SP),AX
- MULQ 112(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 272(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 120(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 272(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 128(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 280(SP),AX
- MULQ 96(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 280(SP),AX
- MULQ 104(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 336(SP),AX
- MULQ 120(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 336(SP),AX
- MULQ 128(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 288(SP),AX
- MULQ 96(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 344(SP),AX
- MULQ 112(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 344(SP),AX
- MULQ 120(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 344(SP),AX
- MULQ 128(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- MOVQ CX,R8
- SHRQ $51,CX
- ANDQ DX,SI
- ADDQ R10,CX
- MOVQ CX,R9
- SHRQ $51,CX
- ANDQ DX,R8
- ADDQ R12,CX
- MOVQ CX,AX
- SHRQ $51,CX
- ANDQ DX,R9
- ADDQ R14,CX
- MOVQ CX,R10
- SHRQ $51,CX
- ANDQ DX,AX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,96(SP)
- MOVQ R8,104(SP)
- MOVQ R9,112(SP)
- MOVQ AX,120(SP)
- MOVQ R10,128(SP)
- MOVQ 320(SP),SI
- IMUL3Q $19,SI,AX
- MOVQ AX,256(SP)
- MULQ 72(SP)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 328(SP),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,264(SP)
- MULQ 64(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 296(SP),AX
- MULQ 56(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 296(SP),AX
- MULQ 64(SP)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 296(SP),AX
- MULQ 72(SP)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 296(SP),AX
- MULQ 80(SP)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 296(SP),AX
- MULQ 88(SP)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 304(SP),AX
- MULQ 56(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 304(SP),AX
- MULQ 64(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 304(SP),AX
- MULQ 72(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 304(SP),AX
- MULQ 80(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 304(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 88(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 312(SP),AX
- MULQ 56(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 312(SP),AX
- MULQ 64(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 312(SP),AX
- MULQ 72(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 312(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 80(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 312(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 88(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 320(SP),AX
- MULQ 56(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 320(SP),AX
- MULQ 64(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 256(SP),AX
- MULQ 80(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 256(SP),AX
- MULQ 88(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 328(SP),AX
- MULQ 56(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 264(SP),AX
- MULQ 72(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 264(SP),AX
- MULQ 80(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 264(SP),AX
- MULQ 88(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- MOVQ CX,R8
- SHRQ $51,CX
- ANDQ DX,SI
- ADDQ R10,CX
- MOVQ CX,R9
- SHRQ $51,CX
- ANDQ DX,R8
- ADDQ R12,CX
- MOVQ CX,AX
- SHRQ $51,CX
- ANDQ DX,R9
- ADDQ R14,CX
- MOVQ CX,R10
- SHRQ $51,CX
- ANDQ DX,AX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,DX
- MOVQ R8,CX
- MOVQ R9,R11
- MOVQ AX,R12
- MOVQ R10,R13
- ADDQ ·_2P0(SB),DX
- ADDQ ·_2P1234(SB),CX
- ADDQ ·_2P1234(SB),R11
- ADDQ ·_2P1234(SB),R12
- ADDQ ·_2P1234(SB),R13
- ADDQ 96(SP),SI
- ADDQ 104(SP),R8
- ADDQ 112(SP),R9
- ADDQ 120(SP),AX
- ADDQ 128(SP),R10
- SUBQ 96(SP),DX
- SUBQ 104(SP),CX
- SUBQ 112(SP),R11
- SUBQ 120(SP),R12
- SUBQ 128(SP),R13
- MOVQ SI,120(DI)
- MOVQ R8,128(DI)
- MOVQ R9,136(DI)
- MOVQ AX,144(DI)
- MOVQ R10,152(DI)
- MOVQ DX,160(DI)
- MOVQ CX,168(DI)
- MOVQ R11,176(DI)
- MOVQ R12,184(DI)
- MOVQ R13,192(DI)
- MOVQ 120(DI),AX
- MULQ 120(DI)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 120(DI),AX
- SHLQ $1,AX
- MULQ 128(DI)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 120(DI),AX
- SHLQ $1,AX
- MULQ 136(DI)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 120(DI),AX
- SHLQ $1,AX
- MULQ 144(DI)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 120(DI),AX
- SHLQ $1,AX
- MULQ 152(DI)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 128(DI),AX
- MULQ 128(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 128(DI),AX
- SHLQ $1,AX
- MULQ 136(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 128(DI),AX
- SHLQ $1,AX
- MULQ 144(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 128(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 152(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 136(DI),AX
- MULQ 136(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 136(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 144(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 136(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 152(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 144(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 144(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 144(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 152(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 152(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 152(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- ANDQ DX,SI
- MOVQ CX,R8
- SHRQ $51,CX
- ADDQ R10,CX
- ANDQ DX,R8
- MOVQ CX,R9
- SHRQ $51,CX
- ADDQ R12,CX
- ANDQ DX,R9
- MOVQ CX,AX
- SHRQ $51,CX
- ADDQ R14,CX
- ANDQ DX,AX
- MOVQ CX,R10
- SHRQ $51,CX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,120(DI)
- MOVQ R8,128(DI)
- MOVQ R9,136(DI)
- MOVQ AX,144(DI)
- MOVQ R10,152(DI)
- MOVQ 160(DI),AX
- MULQ 160(DI)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 160(DI),AX
- SHLQ $1,AX
- MULQ 168(DI)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 160(DI),AX
- SHLQ $1,AX
- MULQ 176(DI)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 160(DI),AX
- SHLQ $1,AX
- MULQ 184(DI)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 160(DI),AX
- SHLQ $1,AX
- MULQ 192(DI)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 168(DI),AX
- MULQ 168(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 168(DI),AX
- SHLQ $1,AX
- MULQ 176(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 168(DI),AX
- SHLQ $1,AX
- MULQ 184(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 168(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 192(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 176(DI),AX
- MULQ 176(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 176(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 184(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 176(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 192(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 184(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 184(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 184(DI),DX
- IMUL3Q $38,DX,AX
- MULQ 192(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 192(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 192(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- ANDQ DX,SI
- MOVQ CX,R8
- SHRQ $51,CX
- ADDQ R10,CX
- ANDQ DX,R8
- MOVQ CX,R9
- SHRQ $51,CX
- ADDQ R12,CX
- ANDQ DX,R9
- MOVQ CX,AX
- SHRQ $51,CX
- ADDQ R14,CX
- ANDQ DX,AX
- MOVQ CX,R10
- SHRQ $51,CX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,160(DI)
- MOVQ R8,168(DI)
- MOVQ R9,176(DI)
- MOVQ AX,184(DI)
- MOVQ R10,192(DI)
- MOVQ 184(DI),SI
- IMUL3Q $19,SI,AX
- MOVQ AX,56(SP)
- MULQ 16(DI)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 192(DI),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,64(SP)
- MULQ 8(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 160(DI),AX
- MULQ 0(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 160(DI),AX
- MULQ 8(DI)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 160(DI),AX
- MULQ 16(DI)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 160(DI),AX
- MULQ 24(DI)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 160(DI),AX
- MULQ 32(DI)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 168(DI),AX
- MULQ 0(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 168(DI),AX
- MULQ 8(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 168(DI),AX
- MULQ 16(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 168(DI),AX
- MULQ 24(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 168(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 32(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 176(DI),AX
- MULQ 0(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 176(DI),AX
- MULQ 8(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 176(DI),AX
- MULQ 16(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 176(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 24(DI)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 176(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 32(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 184(DI),AX
- MULQ 0(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 184(DI),AX
- MULQ 8(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 56(SP),AX
- MULQ 24(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 56(SP),AX
- MULQ 32(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 192(DI),AX
- MULQ 0(DI)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 64(SP),AX
- MULQ 16(DI)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 64(SP),AX
- MULQ 24(DI)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 64(SP),AX
- MULQ 32(DI)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- MOVQ CX,R8
- SHRQ $51,CX
- ANDQ DX,SI
- ADDQ R10,CX
- MOVQ CX,R9
- SHRQ $51,CX
- ANDQ DX,R8
- ADDQ R12,CX
- MOVQ CX,AX
- SHRQ $51,CX
- ANDQ DX,R9
- ADDQ R14,CX
- MOVQ CX,R10
- SHRQ $51,CX
- ANDQ DX,AX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,160(DI)
- MOVQ R8,168(DI)
- MOVQ R9,176(DI)
- MOVQ AX,184(DI)
- MOVQ R10,192(DI)
- MOVQ 200(SP),SI
- IMUL3Q $19,SI,AX
- MOVQ AX,56(SP)
- MULQ 152(SP)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 208(SP),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,64(SP)
- MULQ 144(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 176(SP),AX
- MULQ 136(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 176(SP),AX
- MULQ 144(SP)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 176(SP),AX
- MULQ 152(SP)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 176(SP),AX
- MULQ 160(SP)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 176(SP),AX
- MULQ 168(SP)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 184(SP),AX
- MULQ 136(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 184(SP),AX
- MULQ 144(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 184(SP),AX
- MULQ 152(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 184(SP),AX
- MULQ 160(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 184(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 168(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 192(SP),AX
- MULQ 136(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 192(SP),AX
- MULQ 144(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 192(SP),AX
- MULQ 152(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 192(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 160(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 192(SP),DX
- IMUL3Q $19,DX,AX
- MULQ 168(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 200(SP),AX
- MULQ 136(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 200(SP),AX
- MULQ 144(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 56(SP),AX
- MULQ 160(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 56(SP),AX
- MULQ 168(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 208(SP),AX
- MULQ 136(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 64(SP),AX
- MULQ 152(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 64(SP),AX
- MULQ 160(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 64(SP),AX
- MULQ 168(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- MOVQ CX,R8
- SHRQ $51,CX
- ANDQ DX,SI
- ADDQ R10,CX
- MOVQ CX,R9
- SHRQ $51,CX
- ANDQ DX,R8
- ADDQ R12,CX
- MOVQ CX,AX
- SHRQ $51,CX
- ANDQ DX,R9
- ADDQ R14,CX
- MOVQ CX,R10
- SHRQ $51,CX
- ANDQ DX,AX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,40(DI)
- MOVQ R8,48(DI)
- MOVQ R9,56(DI)
- MOVQ AX,64(DI)
- MOVQ R10,72(DI)
- MOVQ 216(SP),AX
- MULQ ·_121666_213(SB)
- SHRQ $13,AX
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 224(SP),AX
- MULQ ·_121666_213(SB)
- SHRQ $13,AX
- ADDQ AX,CX
- MOVQ DX,R8
- MOVQ 232(SP),AX
- MULQ ·_121666_213(SB)
- SHRQ $13,AX
- ADDQ AX,R8
- MOVQ DX,R9
- MOVQ 240(SP),AX
- MULQ ·_121666_213(SB)
- SHRQ $13,AX
- ADDQ AX,R9
- MOVQ DX,R10
- MOVQ 248(SP),AX
- MULQ ·_121666_213(SB)
- SHRQ $13,AX
- ADDQ AX,R10
- IMUL3Q $19,DX,DX
- ADDQ DX,SI
- ADDQ 136(SP),SI
- ADDQ 144(SP),CX
- ADDQ 152(SP),R8
- ADDQ 160(SP),R9
- ADDQ 168(SP),R10
- MOVQ SI,80(DI)
- MOVQ CX,88(DI)
- MOVQ R8,96(DI)
- MOVQ R9,104(DI)
- MOVQ R10,112(DI)
- MOVQ 104(DI),SI
- IMUL3Q $19,SI,AX
- MOVQ AX,56(SP)
- MULQ 232(SP)
- MOVQ AX,SI
- MOVQ DX,CX
- MOVQ 112(DI),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,64(SP)
- MULQ 224(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 80(DI),AX
- MULQ 216(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 80(DI),AX
- MULQ 224(SP)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 80(DI),AX
- MULQ 232(SP)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 80(DI),AX
- MULQ 240(SP)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 80(DI),AX
- MULQ 248(SP)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 88(DI),AX
- MULQ 216(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 88(DI),AX
- MULQ 224(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 88(DI),AX
- MULQ 232(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 88(DI),AX
- MULQ 240(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 88(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 248(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 96(DI),AX
- MULQ 216(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 96(DI),AX
- MULQ 224(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 96(DI),AX
- MULQ 232(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 96(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 240(SP)
- ADDQ AX,SI
- ADCQ DX,CX
- MOVQ 96(DI),DX
- IMUL3Q $19,DX,AX
- MULQ 248(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 104(DI),AX
- MULQ 216(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 104(DI),AX
- MULQ 224(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 56(SP),AX
- MULQ 240(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 56(SP),AX
- MULQ 248(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 112(DI),AX
- MULQ 216(SP)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 64(SP),AX
- MULQ 232(SP)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 64(SP),AX
- MULQ 240(SP)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 64(SP),AX
- MULQ 248(SP)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ ·REDMASK51(SB),DX
- SHLQ $13,CX:SI
- ANDQ DX,SI
- SHLQ $13,R9:R8
- ANDQ DX,R8
- ADDQ CX,R8
- SHLQ $13,R11:R10
- ANDQ DX,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ DX,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ DX,R14
- ADDQ R13,R14
- IMUL3Q $19,R15,CX
- ADDQ CX,SI
- MOVQ SI,CX
- SHRQ $51,CX
- ADDQ R8,CX
- MOVQ CX,R8
- SHRQ $51,CX
- ANDQ DX,SI
- ADDQ R10,CX
- MOVQ CX,R9
- SHRQ $51,CX
- ANDQ DX,R8
- ADDQ R12,CX
- MOVQ CX,AX
- SHRQ $51,CX
- ANDQ DX,R9
- ADDQ R14,CX
- MOVQ CX,R10
- SHRQ $51,CX
- ANDQ DX,AX
- IMUL3Q $19,CX,CX
- ADDQ CX,SI
- ANDQ DX,R10
- MOVQ SI,80(DI)
- MOVQ R8,88(DI)
- MOVQ R9,96(DI)
- MOVQ AX,104(DI)
- MOVQ R10,112(DI)
- MOVQ 0(SP),R11
- MOVQ 8(SP),R12
- MOVQ 16(SP),R13
- MOVQ 24(SP),R14
- MOVQ 32(SP),R15
- MOVQ 40(SP),BX
- MOVQ 48(SP),BP
- MOVQ R11,SP
- MOVQ DI,AX
- MOVQ SI,DX
- RET
diff --git a/vendor/golang.org/x/crypto/curve25519/mont25519_amd64.go b/vendor/golang.org/x/crypto/curve25519/mont25519_amd64.go
deleted file mode 100644
index 5822bd5..0000000
--- a/vendor/golang.org/x/crypto/curve25519/mont25519_amd64.go
+++ /dev/null
@@ -1,240 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build amd64,!gccgo,!appengine
-
-package curve25519
-
-// These functions are implemented in the .s files. The names of the functions
-// in the rest of the file are also taken from the SUPERCOP sources to help
-// people following along.
-
-//go:noescape
-
-func cswap(inout *[5]uint64, v uint64)
-
-//go:noescape
-
-func ladderstep(inout *[5][5]uint64)
-
-//go:noescape
-
-func freeze(inout *[5]uint64)
-
-//go:noescape
-
-func mul(dest, a, b *[5]uint64)
-
-//go:noescape
-
-func square(out, in *[5]uint64)
-
-// mladder uses a Montgomery ladder to calculate (xr/zr) *= s.
-func mladder(xr, zr *[5]uint64, s *[32]byte) {
- var work [5][5]uint64
-
- work[0] = *xr
- setint(&work[1], 1)
- setint(&work[2], 0)
- work[3] = *xr
- setint(&work[4], 1)
-
- j := uint(6)
- var prevbit byte
-
- for i := 31; i >= 0; i-- {
- for j < 8 {
- bit := ((*s)[i] >> j) & 1
- swap := bit ^ prevbit
- prevbit = bit
- cswap(&work[1], uint64(swap))
- ladderstep(&work)
- j--
- }
- j = 7
- }
-
- *xr = work[1]
- *zr = work[2]
-}
-
-func scalarMult(out, in, base *[32]byte) {
- var e [32]byte
- copy(e[:], (*in)[:])
- e[0] &= 248
- e[31] &= 127
- e[31] |= 64
-
- var t, z [5]uint64
- unpack(&t, base)
- mladder(&t, &z, &e)
- invert(&z, &z)
- mul(&t, &t, &z)
- pack(out, &t)
-}
-
-func setint(r *[5]uint64, v uint64) {
- r[0] = v
- r[1] = 0
- r[2] = 0
- r[3] = 0
- r[4] = 0
-}
-
-// unpack sets r = x where r consists of 5, 51-bit limbs in little-endian
-// order.
-func unpack(r *[5]uint64, x *[32]byte) {
- r[0] = uint64(x[0]) |
- uint64(x[1])<<8 |
- uint64(x[2])<<16 |
- uint64(x[3])<<24 |
- uint64(x[4])<<32 |
- uint64(x[5])<<40 |
- uint64(x[6]&7)<<48
-
- r[1] = uint64(x[6])>>3 |
- uint64(x[7])<<5 |
- uint64(x[8])<<13 |
- uint64(x[9])<<21 |
- uint64(x[10])<<29 |
- uint64(x[11])<<37 |
- uint64(x[12]&63)<<45
-
- r[2] = uint64(x[12])>>6 |
- uint64(x[13])<<2 |
- uint64(x[14])<<10 |
- uint64(x[15])<<18 |
- uint64(x[16])<<26 |
- uint64(x[17])<<34 |
- uint64(x[18])<<42 |
- uint64(x[19]&1)<<50
-
- r[3] = uint64(x[19])>>1 |
- uint64(x[20])<<7 |
- uint64(x[21])<<15 |
- uint64(x[22])<<23 |
- uint64(x[23])<<31 |
- uint64(x[24])<<39 |
- uint64(x[25]&15)<<47
-
- r[4] = uint64(x[25])>>4 |
- uint64(x[26])<<4 |
- uint64(x[27])<<12 |
- uint64(x[28])<<20 |
- uint64(x[29])<<28 |
- uint64(x[30])<<36 |
- uint64(x[31]&127)<<44
-}
-
-// pack sets out = x where out is the usual, little-endian form of the 5,
-// 51-bit limbs in x.
-func pack(out *[32]byte, x *[5]uint64) {
- t := *x
- freeze(&t)
-
- out[0] = byte(t[0])
- out[1] = byte(t[0] >> 8)
- out[2] = byte(t[0] >> 16)
- out[3] = byte(t[0] >> 24)
- out[4] = byte(t[0] >> 32)
- out[5] = byte(t[0] >> 40)
- out[6] = byte(t[0] >> 48)
-
- out[6] ^= byte(t[1]<<3) & 0xf8
- out[7] = byte(t[1] >> 5)
- out[8] = byte(t[1] >> 13)
- out[9] = byte(t[1] >> 21)
- out[10] = byte(t[1] >> 29)
- out[11] = byte(t[1] >> 37)
- out[12] = byte(t[1] >> 45)
-
- out[12] ^= byte(t[2]<<6) & 0xc0
- out[13] = byte(t[2] >> 2)
- out[14] = byte(t[2] >> 10)
- out[15] = byte(t[2] >> 18)
- out[16] = byte(t[2] >> 26)
- out[17] = byte(t[2] >> 34)
- out[18] = byte(t[2] >> 42)
- out[19] = byte(t[2] >> 50)
-
- out[19] ^= byte(t[3]<<1) & 0xfe
- out[20] = byte(t[3] >> 7)
- out[21] = byte(t[3] >> 15)
- out[22] = byte(t[3] >> 23)
- out[23] = byte(t[3] >> 31)
- out[24] = byte(t[3] >> 39)
- out[25] = byte(t[3] >> 47)
-
- out[25] ^= byte(t[4]<<4) & 0xf0
- out[26] = byte(t[4] >> 4)
- out[27] = byte(t[4] >> 12)
- out[28] = byte(t[4] >> 20)
- out[29] = byte(t[4] >> 28)
- out[30] = byte(t[4] >> 36)
- out[31] = byte(t[4] >> 44)
-}
-
-// invert calculates r = x^-1 mod p using Fermat's little theorem.
-func invert(r *[5]uint64, x *[5]uint64) {
- var z2, z9, z11, z2_5_0, z2_10_0, z2_20_0, z2_50_0, z2_100_0, t [5]uint64
-
- square(&z2, x) /* 2 */
- square(&t, &z2) /* 4 */
- square(&t, &t) /* 8 */
- mul(&z9, &t, x) /* 9 */
- mul(&z11, &z9, &z2) /* 11 */
- square(&t, &z11) /* 22 */
- mul(&z2_5_0, &t, &z9) /* 2^5 - 2^0 = 31 */
-
- square(&t, &z2_5_0) /* 2^6 - 2^1 */
- for i := 1; i < 5; i++ { /* 2^20 - 2^10 */
- square(&t, &t)
- }
- mul(&z2_10_0, &t, &z2_5_0) /* 2^10 - 2^0 */
-
- square(&t, &z2_10_0) /* 2^11 - 2^1 */
- for i := 1; i < 10; i++ { /* 2^20 - 2^10 */
- square(&t, &t)
- }
- mul(&z2_20_0, &t, &z2_10_0) /* 2^20 - 2^0 */
-
- square(&t, &z2_20_0) /* 2^21 - 2^1 */
- for i := 1; i < 20; i++ { /* 2^40 - 2^20 */
- square(&t, &t)
- }
- mul(&t, &t, &z2_20_0) /* 2^40 - 2^0 */
-
- square(&t, &t) /* 2^41 - 2^1 */
- for i := 1; i < 10; i++ { /* 2^50 - 2^10 */
- square(&t, &t)
- }
- mul(&z2_50_0, &t, &z2_10_0) /* 2^50 - 2^0 */
-
- square(&t, &z2_50_0) /* 2^51 - 2^1 */
- for i := 1; i < 50; i++ { /* 2^100 - 2^50 */
- square(&t, &t)
- }
- mul(&z2_100_0, &t, &z2_50_0) /* 2^100 - 2^0 */
-
- square(&t, &z2_100_0) /* 2^101 - 2^1 */
- for i := 1; i < 100; i++ { /* 2^200 - 2^100 */
- square(&t, &t)
- }
- mul(&t, &t, &z2_100_0) /* 2^200 - 2^0 */
-
- square(&t, &t) /* 2^201 - 2^1 */
- for i := 1; i < 50; i++ { /* 2^250 - 2^50 */
- square(&t, &t)
- }
- mul(&t, &t, &z2_50_0) /* 2^250 - 2^0 */
-
- square(&t, &t) /* 2^251 - 2^1 */
- square(&t, &t) /* 2^252 - 2^2 */
- square(&t, &t) /* 2^253 - 2^3 */
-
- square(&t, &t) /* 2^254 - 2^4 */
-
- square(&t, &t) /* 2^255 - 2^5 */
- mul(r, &t, &z11) /* 2^255 - 21 */
-}
diff --git a/vendor/golang.org/x/crypto/curve25519/mul_amd64.s b/vendor/golang.org/x/crypto/curve25519/mul_amd64.s
deleted file mode 100644
index e48d183..0000000
--- a/vendor/golang.org/x/crypto/curve25519/mul_amd64.s
+++ /dev/null
@@ -1,191 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This code was translated into a form compatible with 6a from the public
-// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
-
-// +build amd64,!gccgo,!appengine
-
-// func mul(dest, a, b *[5]uint64)
-TEXT ·mul(SB),0,$128-24
- MOVQ dest+0(FP), DI
- MOVQ a+8(FP), SI
- MOVQ b+16(FP), DX
-
- MOVQ SP,R11
- MOVQ $31,CX
- NOTQ CX
- ANDQ CX,SP
- ADDQ $32,SP
-
- MOVQ R11,0(SP)
- MOVQ R12,8(SP)
- MOVQ R13,16(SP)
- MOVQ R14,24(SP)
- MOVQ R15,32(SP)
- MOVQ BX,40(SP)
- MOVQ BP,48(SP)
- MOVQ DI,56(SP)
- MOVQ DX,CX
- MOVQ 24(SI),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,64(SP)
- MULQ 16(CX)
- MOVQ AX,R8
- MOVQ DX,R9
- MOVQ 32(SI),DX
- IMUL3Q $19,DX,AX
- MOVQ AX,72(SP)
- MULQ 8(CX)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 0(SI),AX
- MULQ 0(CX)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 0(SI),AX
- MULQ 8(CX)
- MOVQ AX,R10
- MOVQ DX,R11
- MOVQ 0(SI),AX
- MULQ 16(CX)
- MOVQ AX,R12
- MOVQ DX,R13
- MOVQ 0(SI),AX
- MULQ 24(CX)
- MOVQ AX,R14
- MOVQ DX,R15
- MOVQ 0(SI),AX
- MULQ 32(CX)
- MOVQ AX,BX
- MOVQ DX,BP
- MOVQ 8(SI),AX
- MULQ 0(CX)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 8(SI),AX
- MULQ 8(CX)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 8(SI),AX
- MULQ 16(CX)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 8(SI),AX
- MULQ 24(CX)
- ADDQ AX,BX
- ADCQ DX,BP
- MOVQ 8(SI),DX
- IMUL3Q $19,DX,AX
- MULQ 32(CX)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 16(SI),AX
- MULQ 0(CX)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 16(SI),AX
- MULQ 8(CX)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 16(SI),AX
- MULQ 16(CX)
- ADDQ AX,BX
- ADCQ DX,BP
- MOVQ 16(SI),DX
- IMUL3Q $19,DX,AX
- MULQ 24(CX)
- ADDQ AX,R8
- ADCQ DX,R9
- MOVQ 16(SI),DX
- IMUL3Q $19,DX,AX
- MULQ 32(CX)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 24(SI),AX
- MULQ 0(CX)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ 24(SI),AX
- MULQ 8(CX)
- ADDQ AX,BX
- ADCQ DX,BP
- MOVQ 64(SP),AX
- MULQ 24(CX)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 64(SP),AX
- MULQ 32(CX)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 32(SI),AX
- MULQ 0(CX)
- ADDQ AX,BX
- ADCQ DX,BP
- MOVQ 72(SP),AX
- MULQ 16(CX)
- ADDQ AX,R10
- ADCQ DX,R11
- MOVQ 72(SP),AX
- MULQ 24(CX)
- ADDQ AX,R12
- ADCQ DX,R13
- MOVQ 72(SP),AX
- MULQ 32(CX)
- ADDQ AX,R14
- ADCQ DX,R15
- MOVQ ·REDMASK51(SB),SI
- SHLQ $13,R9:R8
- ANDQ SI,R8
- SHLQ $13,R11:R10
- ANDQ SI,R10
- ADDQ R9,R10
- SHLQ $13,R13:R12
- ANDQ SI,R12
- ADDQ R11,R12
- SHLQ $13,R15:R14
- ANDQ SI,R14
- ADDQ R13,R14
- SHLQ $13,BP:BX
- ANDQ SI,BX
- ADDQ R15,BX
- IMUL3Q $19,BP,DX
- ADDQ DX,R8
- MOVQ R8,DX
- SHRQ $51,DX
- ADDQ R10,DX
- MOVQ DX,CX
- SHRQ $51,DX
- ANDQ SI,R8
- ADDQ R12,DX
- MOVQ DX,R9
- SHRQ $51,DX
- ANDQ SI,CX
- ADDQ R14,DX
- MOVQ DX,AX
- SHRQ $51,DX
- ANDQ SI,R9
- ADDQ BX,DX
- MOVQ DX,R10
- SHRQ $51,DX
- ANDQ SI,AX
- IMUL3Q $19,DX,DX
- ADDQ DX,R8
- ANDQ SI,R10
- MOVQ R8,0(DI)
- MOVQ CX,8(DI)
- MOVQ R9,16(DI)
- MOVQ AX,24(DI)
- MOVQ R10,32(DI)
- MOVQ 0(SP),R11
- MOVQ 8(SP),R12
- MOVQ 16(SP),R13
- MOVQ 24(SP),R14
- MOVQ 32(SP),R15
- MOVQ 40(SP),BX
- MOVQ 48(SP),BP
- MOVQ R11,SP
- MOVQ DI,AX
- MOVQ SI,DX
- RET
diff --git a/vendor/golang.org/x/crypto/curve25519/square_amd64.s b/vendor/golang.org/x/crypto/curve25519/square_amd64.s
deleted file mode 100644
index 78d1a50..0000000
--- a/vendor/golang.org/x/crypto/curve25519/square_amd64.s
+++ /dev/null
@@ -1,153 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// This code was translated into a form compatible with 6a from the public
-// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
-
-// +build amd64,!gccgo,!appengine
-
-// func square(out, in *[5]uint64)
-TEXT ·square(SB),7,$96-16
- MOVQ out+0(FP), DI
- MOVQ in+8(FP), SI
-
- MOVQ SP,R11
- MOVQ $31,CX
- NOTQ CX
- ANDQ CX,SP
- ADDQ $32, SP
-
- MOVQ R11,0(SP)
- MOVQ R12,8(SP)
- MOVQ R13,16(SP)
- MOVQ R14,24(SP)
- MOVQ R15,32(SP)
- MOVQ BX,40(SP)
- MOVQ BP,48(SP)
- MOVQ 0(SI),AX
- MULQ 0(SI)
- MOVQ AX,CX
- MOVQ DX,R8
- MOVQ 0(SI),AX
- SHLQ $1,AX
- MULQ 8(SI)
- MOVQ AX,R9
- MOVQ DX,R10
- MOVQ 0(SI),AX
- SHLQ $1,AX
- MULQ 16(SI)
- MOVQ AX,R11
- MOVQ DX,R12
- MOVQ 0(SI),AX
- SHLQ $1,AX
- MULQ 24(SI)
- MOVQ AX,R13
- MOVQ DX,R14
- MOVQ 0(SI),AX
- SHLQ $1,AX
- MULQ 32(SI)
- MOVQ AX,R15
- MOVQ DX,BX
- MOVQ 8(SI),AX
- MULQ 8(SI)
- ADDQ AX,R11
- ADCQ DX,R12
- MOVQ 8(SI),AX
- SHLQ $1,AX
- MULQ 16(SI)
- ADDQ AX,R13
- ADCQ DX,R14
- MOVQ 8(SI),AX
- SHLQ $1,AX
- MULQ 24(SI)
- ADDQ AX,R15
- ADCQ DX,BX
- MOVQ 8(SI),DX
- IMUL3Q $38,DX,AX
- MULQ 32(SI)
- ADDQ AX,CX
- ADCQ DX,R8
- MOVQ 16(SI),AX
- MULQ 16(SI)
- ADDQ AX,R15
- ADCQ DX,BX
- MOVQ 16(SI),DX
- IMUL3Q $38,DX,AX
- MULQ 24(SI)
- ADDQ AX,CX
- ADCQ DX,R8
- MOVQ 16(SI),DX
- IMUL3Q $38,DX,AX
- MULQ 32(SI)
- ADDQ AX,R9
- ADCQ DX,R10
- MOVQ 24(SI),DX
- IMUL3Q $19,DX,AX
- MULQ 24(SI)
- ADDQ AX,R9
- ADCQ DX,R10
- MOVQ 24(SI),DX
- IMUL3Q $38,DX,AX
- MULQ 32(SI)
- ADDQ AX,R11
- ADCQ DX,R12
- MOVQ 32(SI),DX
- IMUL3Q $19,DX,AX
- MULQ 32(SI)
- ADDQ AX,R13
- ADCQ DX,R14
- MOVQ ·REDMASK51(SB),SI
- SHLQ $13,R8:CX
- ANDQ SI,CX
- SHLQ $13,R10:R9
- ANDQ SI,R9
- ADDQ R8,R9
- SHLQ $13,R12:R11
- ANDQ SI,R11
- ADDQ R10,R11
- SHLQ $13,R14:R13
- ANDQ SI,R13
- ADDQ R12,R13
- SHLQ $13,BX:R15
- ANDQ SI,R15
- ADDQ R14,R15
- IMUL3Q $19,BX,DX
- ADDQ DX,CX
- MOVQ CX,DX
- SHRQ $51,DX
- ADDQ R9,DX
- ANDQ SI,CX
- MOVQ DX,R8
- SHRQ $51,DX
- ADDQ R11,DX
- ANDQ SI,R8
- MOVQ DX,R9
- SHRQ $51,DX
- ADDQ R13,DX
- ANDQ SI,R9
- MOVQ DX,AX
- SHRQ $51,DX
- ADDQ R15,DX
- ANDQ SI,AX
- MOVQ DX,R10
- SHRQ $51,DX
- IMUL3Q $19,DX,DX
- ADDQ DX,CX
- ANDQ SI,R10
- MOVQ CX,0(DI)
- MOVQ R8,8(DI)
- MOVQ R9,16(DI)
- MOVQ AX,24(DI)
- MOVQ R10,32(DI)
- MOVQ 0(SP),R11
- MOVQ 8(SP),R12
- MOVQ 16(SP),R13
- MOVQ 24(SP),R14
- MOVQ 32(SP),R15
- MOVQ 40(SP),BX
- MOVQ 48(SP),BP
- MOVQ R11,SP
- MOVQ DI,AX
- MOVQ SI,DX
- RET
diff --git a/vendor/golang.org/x/crypto/ed25519/ed25519.go b/vendor/golang.org/x/crypto/ed25519/ed25519.go
deleted file mode 100644
index f1d9567..0000000
--- a/vendor/golang.org/x/crypto/ed25519/ed25519.go
+++ /dev/null
@@ -1,181 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package ed25519 implements the Ed25519 signature algorithm. See
-// http://ed25519.cr.yp.to/.
-//
-// These functions are also compatible with the “Ed25519” function defined in
-// https://tools.ietf.org/html/draft-irtf-cfrg-eddsa-05.
-package ed25519
-
-// This code is a port of the public domain, “ref10” implementation of ed25519
-// from SUPERCOP.
-
-import (
- "crypto"
- cryptorand "crypto/rand"
- "crypto/sha512"
- "crypto/subtle"
- "errors"
- "io"
- "strconv"
-
- "golang.org/x/crypto/ed25519/internal/edwards25519"
-)
-
-const (
- // PublicKeySize is the size, in bytes, of public keys as used in this package.
- PublicKeySize = 32
- // PrivateKeySize is the size, in bytes, of private keys as used in this package.
- PrivateKeySize = 64
- // SignatureSize is the size, in bytes, of signatures generated and verified by this package.
- SignatureSize = 64
-)
-
-// PublicKey is the type of Ed25519 public keys.
-type PublicKey []byte
-
-// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
-type PrivateKey []byte
-
-// Public returns the PublicKey corresponding to priv.
-func (priv PrivateKey) Public() crypto.PublicKey {
- publicKey := make([]byte, PublicKeySize)
- copy(publicKey, priv[32:])
- return PublicKey(publicKey)
-}
-
-// Sign signs the given message with priv.
-// Ed25519 performs two passes over messages to be signed and therefore cannot
-// handle pre-hashed messages. Thus opts.HashFunc() must return zero to
-// indicate the message hasn't been hashed. This can be achieved by passing
-// crypto.Hash(0) as the value for opts.
-func (priv PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
- if opts.HashFunc() != crypto.Hash(0) {
- return nil, errors.New("ed25519: cannot sign hashed message")
- }
-
- return Sign(priv, message), nil
-}
-
-// GenerateKey generates a public/private key pair using entropy from rand.
-// If rand is nil, crypto/rand.Reader will be used.
-func GenerateKey(rand io.Reader) (publicKey PublicKey, privateKey PrivateKey, err error) {
- if rand == nil {
- rand = cryptorand.Reader
- }
-
- privateKey = make([]byte, PrivateKeySize)
- publicKey = make([]byte, PublicKeySize)
- _, err = io.ReadFull(rand, privateKey[:32])
- if err != nil {
- return nil, nil, err
- }
-
- digest := sha512.Sum512(privateKey[:32])
- digest[0] &= 248
- digest[31] &= 127
- digest[31] |= 64
-
- var A edwards25519.ExtendedGroupElement
- var hBytes [32]byte
- copy(hBytes[:], digest[:])
- edwards25519.GeScalarMultBase(&A, &hBytes)
- var publicKeyBytes [32]byte
- A.ToBytes(&publicKeyBytes)
-
- copy(privateKey[32:], publicKeyBytes[:])
- copy(publicKey, publicKeyBytes[:])
-
- return publicKey, privateKey, nil
-}
-
-// Sign signs the message with privateKey and returns a signature. It will
-// panic if len(privateKey) is not PrivateKeySize.
-func Sign(privateKey PrivateKey, message []byte) []byte {
- if l := len(privateKey); l != PrivateKeySize {
- panic("ed25519: bad private key length: " + strconv.Itoa(l))
- }
-
- h := sha512.New()
- h.Write(privateKey[:32])
-
- var digest1, messageDigest, hramDigest [64]byte
- var expandedSecretKey [32]byte
- h.Sum(digest1[:0])
- copy(expandedSecretKey[:], digest1[:])
- expandedSecretKey[0] &= 248
- expandedSecretKey[31] &= 63
- expandedSecretKey[31] |= 64
-
- h.Reset()
- h.Write(digest1[32:])
- h.Write(message)
- h.Sum(messageDigest[:0])
-
- var messageDigestReduced [32]byte
- edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
- var R edwards25519.ExtendedGroupElement
- edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
-
- var encodedR [32]byte
- R.ToBytes(&encodedR)
-
- h.Reset()
- h.Write(encodedR[:])
- h.Write(privateKey[32:])
- h.Write(message)
- h.Sum(hramDigest[:0])
- var hramDigestReduced [32]byte
- edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
-
- var s [32]byte
- edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced)
-
- signature := make([]byte, SignatureSize)
- copy(signature[:], encodedR[:])
- copy(signature[32:], s[:])
-
- return signature
-}
-
-// Verify reports whether sig is a valid signature of message by publicKey. It
-// will panic if len(publicKey) is not PublicKeySize.
-func Verify(publicKey PublicKey, message, sig []byte) bool {
- if l := len(publicKey); l != PublicKeySize {
- panic("ed25519: bad public key length: " + strconv.Itoa(l))
- }
-
- if len(sig) != SignatureSize || sig[63]&224 != 0 {
- return false
- }
-
- var A edwards25519.ExtendedGroupElement
- var publicKeyBytes [32]byte
- copy(publicKeyBytes[:], publicKey)
- if !A.FromBytes(&publicKeyBytes) {
- return false
- }
- edwards25519.FeNeg(&A.X, &A.X)
- edwards25519.FeNeg(&A.T, &A.T)
-
- h := sha512.New()
- h.Write(sig[:32])
- h.Write(publicKey[:])
- h.Write(message)
- var digest [64]byte
- h.Sum(digest[:0])
-
- var hReduced [32]byte
- edwards25519.ScReduce(&hReduced, &digest)
-
- var R edwards25519.ProjectiveGroupElement
- var b [32]byte
- copy(b[:], sig[32:])
- edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &b)
-
- var checkR [32]byte
- R.ToBytes(&checkR)
- return subtle.ConstantTimeCompare(sig[:32], checkR[:]) == 1
-}
diff --git a/vendor/golang.org/x/crypto/ed25519/internal/edwards25519/const.go b/vendor/golang.org/x/crypto/ed25519/internal/edwards25519/const.go
deleted file mode 100644
index e39f086..0000000
--- a/vendor/golang.org/x/crypto/ed25519/internal/edwards25519/const.go
+++ /dev/null
@@ -1,1422 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package edwards25519
-
-// These values are from the public domain, “ref10” implementation of ed25519
-// from SUPERCOP.
-
-// d is a constant in the Edwards curve equation.
-var d = FieldElement{
- -10913610, 13857413, -15372611, 6949391, 114729, -8787816, -6275908, -3247719, -18696448, -12055116,
-}
-
-// d2 is 2*d.
-var d2 = FieldElement{
- -21827239, -5839606, -30745221, 13898782, 229458, 15978800, -12551817, -6495438, 29715968, 9444199,
-}
-
-// SqrtM1 is the square-root of -1 in the field.
-var SqrtM1 = FieldElement{
- -32595792, -7943725, 9377950, 3500415, 12389472, -272473, -25146209, -2005654, 326686, 11406482,
-}
-
-// A is a constant in the Montgomery-form of curve25519.
-var A = FieldElement{
- 486662, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-}
-
-// bi contains precomputed multiples of the base-point. See the Ed25519 paper
-// for a discussion about how these values are used.
-var bi = [8]PreComputedGroupElement{
- {
- FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
- FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
- FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546},
- },
- {
- FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
- FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
- FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357},
- },
- {
- FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
- FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
- FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942},
- },
- {
- FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
- FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
- FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300},
- },
- {
- FieldElement{-22518993, -6692182, 14201702, -8745502, -23510406, 8844726, 18474211, -1361450, -13062696, 13821877},
- FieldElement{-6455177, -7839871, 3374702, -4740862, -27098617, -10571707, 31655028, -7212327, 18853322, -14220951},
- FieldElement{4566830, -12963868, -28974889, -12240689, -7602672, -2830569, -8514358, -10431137, 2207753, -3209784},
- },
- {
- FieldElement{-25154831, -4185821, 29681144, 7868801, -6854661, -9423865, -12437364, -663000, -31111463, -16132436},
- FieldElement{25576264, -2703214, 7349804, -11814844, 16472782, 9300885, 3844789, 15725684, 171356, 6466918},
- FieldElement{23103977, 13316479, 9739013, -16149481, 817875, -15038942, 8965339, -14088058, -30714912, 16193877},
- },
- {
- FieldElement{-33521811, 3180713, -2394130, 14003687, -16903474, -16270840, 17238398, 4729455, -18074513, 9256800},
- FieldElement{-25182317, -4174131, 32336398, 5036987, -21236817, 11360617, 22616405, 9761698, -19827198, 630305},
- FieldElement{-13720693, 2639453, -24237460, -7406481, 9494427, -5774029, -6554551, -15960994, -2449256, -14291300},
- },
- {
- FieldElement{-3151181, -5046075, 9282714, 6866145, -31907062, -863023, -18940575, 15033784, 25105118, -7894876},
- FieldElement{-24326370, 15950226, -31801215, -14592823, -11662737, -5090925, 1573892, -2625887, 2198790, -15804619},
- FieldElement{-3099351, 10324967, -2241613, 7453183, -5446979, -2735503, -13812022, -16236442, -32461234, -12290683},
- },
-}
-
-// base contains precomputed multiples of the base-point. See the Ed25519 paper
-// for a discussion about how these values are used.
-var base = [32][8]PreComputedGroupElement{
- {
- {
- FieldElement{25967493, -14356035, 29566456, 3660896, -12694345, 4014787, 27544626, -11754271, -6079156, 2047605},
- FieldElement{-12545711, 934262, -2722910, 3049990, -727428, 9406986, 12720692, 5043384, 19500929, -15469378},
- FieldElement{-8738181, 4489570, 9688441, -14785194, 10184609, -12363380, 29287919, 11864899, -24514362, -4438546},
- },
- {
- FieldElement{-12815894, -12976347, -21581243, 11784320, -25355658, -2750717, -11717903, -3814571, -358445, -10211303},
- FieldElement{-21703237, 6903825, 27185491, 6451973, -29577724, -9554005, -15616551, 11189268, -26829678, -5319081},
- FieldElement{26966642, 11152617, 32442495, 15396054, 14353839, -12752335, -3128826, -9541118, -15472047, -4166697},
- },
- {
- FieldElement{15636291, -9688557, 24204773, -7912398, 616977, -16685262, 27787600, -14772189, 28944400, -1550024},
- FieldElement{16568933, 4717097, -11556148, -1102322, 15682896, -11807043, 16354577, -11775962, 7689662, 11199574},
- FieldElement{30464156, -5976125, -11779434, -15670865, 23220365, 15915852, 7512774, 10017326, -17749093, -9920357},
- },
- {
- FieldElement{-17036878, 13921892, 10945806, -6033431, 27105052, -16084379, -28926210, 15006023, 3284568, -6276540},
- FieldElement{23599295, -8306047, -11193664, -7687416, 13236774, 10506355, 7464579, 9656445, 13059162, 10374397},
- FieldElement{7798556, 16710257, 3033922, 2874086, 28997861, 2835604, 32406664, -3839045, -641708, -101325},
- },
- {
- FieldElement{10861363, 11473154, 27284546, 1981175, -30064349, 12577861, 32867885, 14515107, -15438304, 10819380},
- FieldElement{4708026, 6336745, 20377586, 9066809, -11272109, 6594696, -25653668, 12483688, -12668491, 5581306},
- FieldElement{19563160, 16186464, -29386857, 4097519, 10237984, -4348115, 28542350, 13850243, -23678021, -15815942},
- },
- {
- FieldElement{-15371964, -12862754, 32573250, 4720197, -26436522, 5875511, -19188627, -15224819, -9818940, -12085777},
- FieldElement{-8549212, 109983, 15149363, 2178705, 22900618, 4543417, 3044240, -15689887, 1762328, 14866737},
- FieldElement{-18199695, -15951423, -10473290, 1707278, -17185920, 3916101, -28236412, 3959421, 27914454, 4383652},
- },
- {
- FieldElement{5153746, 9909285, 1723747, -2777874, 30523605, 5516873, 19480852, 5230134, -23952439, -15175766},
- FieldElement{-30269007, -3463509, 7665486, 10083793, 28475525, 1649722, 20654025, 16520125, 30598449, 7715701},
- FieldElement{28881845, 14381568, 9657904, 3680757, -20181635, 7843316, -31400660, 1370708, 29794553, -1409300},
- },
- {
- FieldElement{14499471, -2729599, -33191113, -4254652, 28494862, 14271267, 30290735, 10876454, -33154098, 2381726},
- FieldElement{-7195431, -2655363, -14730155, 462251, -27724326, 3941372, -6236617, 3696005, -32300832, 15351955},
- FieldElement{27431194, 8222322, 16448760, -3907995, -18707002, 11938355, -32961401, -2970515, 29551813, 10109425},
- },
- },
- {
- {
- FieldElement{-13657040, -13155431, -31283750, 11777098, 21447386, 6519384, -2378284, -1627556, 10092783, -4764171},
- FieldElement{27939166, 14210322, 4677035, 16277044, -22964462, -12398139, -32508754, 12005538, -17810127, 12803510},
- FieldElement{17228999, -15661624, -1233527, 300140, -1224870, -11714777, 30364213, -9038194, 18016357, 4397660},
- },
- {
- FieldElement{-10958843, -7690207, 4776341, -14954238, 27850028, -15602212, -26619106, 14544525, -17477504, 982639},
- FieldElement{29253598, 15796703, -2863982, -9908884, 10057023, 3163536, 7332899, -4120128, -21047696, 9934963},
- FieldElement{5793303, 16271923, -24131614, -10116404, 29188560, 1206517, -14747930, 4559895, -30123922, -10897950},
- },
- {
- FieldElement{-27643952, -11493006, 16282657, -11036493, 28414021, -15012264, 24191034, 4541697, -13338309, 5500568},
- FieldElement{12650548, -1497113, 9052871, 11355358, -17680037, -8400164, -17430592, 12264343, 10874051, 13524335},
- FieldElement{25556948, -3045990, 714651, 2510400, 23394682, -10415330, 33119038, 5080568, -22528059, 5376628},
- },
- {
- FieldElement{-26088264, -4011052, -17013699, -3537628, -6726793, 1920897, -22321305, -9447443, 4535768, 1569007},
- FieldElement{-2255422, 14606630, -21692440, -8039818, 28430649, 8775819, -30494562, 3044290, 31848280, 12543772},
- FieldElement{-22028579, 2943893, -31857513, 6777306, 13784462, -4292203, -27377195, -2062731, 7718482, 14474653},
- },
- {
- FieldElement{2385315, 2454213, -22631320, 46603, -4437935, -15680415, 656965, -7236665, 24316168, -5253567},
- FieldElement{13741529, 10911568, -33233417, -8603737, -20177830, -1033297, 33040651, -13424532, -20729456, 8321686},
- FieldElement{21060490, -2212744, 15712757, -4336099, 1639040, 10656336, 23845965, -11874838, -9984458, 608372},
- },
- {
- FieldElement{-13672732, -15087586, -10889693, -7557059, -6036909, 11305547, 1123968, -6780577, 27229399, 23887},
- FieldElement{-23244140, -294205, -11744728, 14712571, -29465699, -2029617, 12797024, -6440308, -1633405, 16678954},
- FieldElement{-29500620, 4770662, -16054387, 14001338, 7830047, 9564805, -1508144, -4795045, -17169265, 4904953},
- },
- {
- FieldElement{24059557, 14617003, 19037157, -15039908, 19766093, -14906429, 5169211, 16191880, 2128236, -4326833},
- FieldElement{-16981152, 4124966, -8540610, -10653797, 30336522, -14105247, -29806336, 916033, -6882542, -2986532},
- FieldElement{-22630907, 12419372, -7134229, -7473371, -16478904, 16739175, 285431, 2763829, 15736322, 4143876},
- },
- {
- FieldElement{2379352, 11839345, -4110402, -5988665, 11274298, 794957, 212801, -14594663, 23527084, -16458268},
- FieldElement{33431127, -11130478, -17838966, -15626900, 8909499, 8376530, -32625340, 4087881, -15188911, -14416214},
- FieldElement{1767683, 7197987, -13205226, -2022635, -13091350, 448826, 5799055, 4357868, -4774191, -16323038},
- },
- },
- {
- {
- FieldElement{6721966, 13833823, -23523388, -1551314, 26354293, -11863321, 23365147, -3949732, 7390890, 2759800},
- FieldElement{4409041, 2052381, 23373853, 10530217, 7676779, -12885954, 21302353, -4264057, 1244380, -12919645},
- FieldElement{-4421239, 7169619, 4982368, -2957590, 30256825, -2777540, 14086413, 9208236, 15886429, 16489664},
- },
- {
- FieldElement{1996075, 10375649, 14346367, 13311202, -6874135, -16438411, -13693198, 398369, -30606455, -712933},
- FieldElement{-25307465, 9795880, -2777414, 14878809, -33531835, 14780363, 13348553, 12076947, -30836462, 5113182},
- FieldElement{-17770784, 11797796, 31950843, 13929123, -25888302, 12288344, -30341101, -7336386, 13847711, 5387222},
- },
- {
- FieldElement{-18582163, -3416217, 17824843, -2340966, 22744343, -10442611, 8763061, 3617786, -19600662, 10370991},
- FieldElement{20246567, -14369378, 22358229, -543712, 18507283, -10413996, 14554437, -8746092, 32232924, 16763880},
- FieldElement{9648505, 10094563, 26416693, 14745928, -30374318, -6472621, 11094161, 15689506, 3140038, -16510092},
- },
- {
- FieldElement{-16160072, 5472695, 31895588, 4744994, 8823515, 10365685, -27224800, 9448613, -28774454, 366295},
- FieldElement{19153450, 11523972, -11096490, -6503142, -24647631, 5420647, 28344573, 8041113, 719605, 11671788},
- FieldElement{8678025, 2694440, -6808014, 2517372, 4964326, 11152271, -15432916, -15266516, 27000813, -10195553},
- },
- {
- FieldElement{-15157904, 7134312, 8639287, -2814877, -7235688, 10421742, 564065, 5336097, 6750977, -14521026},
- FieldElement{11836410, -3979488, 26297894, 16080799, 23455045, 15735944, 1695823, -8819122, 8169720, 16220347},
- FieldElement{-18115838, 8653647, 17578566, -6092619, -8025777, -16012763, -11144307, -2627664, -5990708, -14166033},
- },
- {
- FieldElement{-23308498, -10968312, 15213228, -10081214, -30853605, -11050004, 27884329, 2847284, 2655861, 1738395},
- FieldElement{-27537433, -14253021, -25336301, -8002780, -9370762, 8129821, 21651608, -3239336, -19087449, -11005278},
- FieldElement{1533110, 3437855, 23735889, 459276, 29970501, 11335377, 26030092, 5821408, 10478196, 8544890},
- },
- {
- FieldElement{32173121, -16129311, 24896207, 3921497, 22579056, -3410854, 19270449, 12217473, 17789017, -3395995},
- FieldElement{-30552961, -2228401, -15578829, -10147201, 13243889, 517024, 15479401, -3853233, 30460520, 1052596},
- FieldElement{-11614875, 13323618, 32618793, 8175907, -15230173, 12596687, 27491595, -4612359, 3179268, -9478891},
- },
- {
- FieldElement{31947069, -14366651, -4640583, -15339921, -15125977, -6039709, -14756777, -16411740, 19072640, -9511060},
- FieldElement{11685058, 11822410, 3158003, -13952594, 33402194, -4165066, 5977896, -5215017, 473099, 5040608},
- FieldElement{-20290863, 8198642, -27410132, 11602123, 1290375, -2799760, 28326862, 1721092, -19558642, -3131606},
- },
- },
- {
- {
- FieldElement{7881532, 10687937, 7578723, 7738378, -18951012, -2553952, 21820786, 8076149, -27868496, 11538389},
- FieldElement{-19935666, 3899861, 18283497, -6801568, -15728660, -11249211, 8754525, 7446702, -5676054, 5797016},
- FieldElement{-11295600, -3793569, -15782110, -7964573, 12708869, -8456199, 2014099, -9050574, -2369172, -5877341},
- },
- {
- FieldElement{-22472376, -11568741, -27682020, 1146375, 18956691, 16640559, 1192730, -3714199, 15123619, 10811505},
- FieldElement{14352098, -3419715, -18942044, 10822655, 32750596, 4699007, -70363, 15776356, -28886779, -11974553},
- FieldElement{-28241164, -8072475, -4978962, -5315317, 29416931, 1847569, -20654173, -16484855, 4714547, -9600655},
- },
- {
- FieldElement{15200332, 8368572, 19679101, 15970074, -31872674, 1959451, 24611599, -4543832, -11745876, 12340220},
- FieldElement{12876937, -10480056, 33134381, 6590940, -6307776, 14872440, 9613953, 8241152, 15370987, 9608631},
- FieldElement{-4143277, -12014408, 8446281, -391603, 4407738, 13629032, -7724868, 15866074, -28210621, -8814099},
- },
- {
- FieldElement{26660628, -15677655, 8393734, 358047, -7401291, 992988, -23904233, 858697, 20571223, 8420556},
- FieldElement{14620715, 13067227, -15447274, 8264467, 14106269, 15080814, 33531827, 12516406, -21574435, -12476749},
- FieldElement{236881, 10476226, 57258, -14677024, 6472998, 2466984, 17258519, 7256740, 8791136, 15069930},
- },
- {
- FieldElement{1276410, -9371918, 22949635, -16322807, -23493039, -5702186, 14711875, 4874229, -30663140, -2331391},
- FieldElement{5855666, 4990204, -13711848, 7294284, -7804282, 1924647, -1423175, -7912378, -33069337, 9234253},
- FieldElement{20590503, -9018988, 31529744, -7352666, -2706834, 10650548, 31559055, -11609587, 18979186, 13396066},
- },
- {
- FieldElement{24474287, 4968103, 22267082, 4407354, 24063882, -8325180, -18816887, 13594782, 33514650, 7021958},
- FieldElement{-11566906, -6565505, -21365085, 15928892, -26158305, 4315421, -25948728, -3916677, -21480480, 12868082},
- FieldElement{-28635013, 13504661, 19988037, -2132761, 21078225, 6443208, -21446107, 2244500, -12455797, -8089383},
- },
- {
- FieldElement{-30595528, 13793479, -5852820, 319136, -25723172, -6263899, 33086546, 8957937, -15233648, 5540521},
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- FieldElement{23152971, 775386, 27395463, 14006635, -9701118, 4649512, 1689819, 892185, -11513277, -15205948},
- },
- {
- FieldElement{9770129, 9586738, 26496094, 4324120, 1556511, -3550024, 27453819, 4763127, -19179614, 5867134},
- FieldElement{-32765025, 1927590, 31726409, -4753295, 23962434, -16019500, 27846559, 5931263, -29749703, -16108455},
- FieldElement{27461885, -2977536, 22380810, 1815854, -23033753, -3031938, 7283490, -15148073, -19526700, 7734629},
- },
- },
- {
- {
- FieldElement{-8010264, -9590817, -11120403, 6196038, 29344158, -13430885, 7585295, -3176626, 18549497, 15302069},
- FieldElement{-32658337, -6171222, -7672793, -11051681, 6258878, 13504381, 10458790, -6418461, -8872242, 8424746},
- FieldElement{24687205, 8613276, -30667046, -3233545, 1863892, -1830544, 19206234, 7134917, -11284482, -828919},
- },
- {
- FieldElement{11334899, -9218022, 8025293, 12707519, 17523892, -10476071, 10243738, -14685461, -5066034, 16498837},
- FieldElement{8911542, 6887158, -9584260, -6958590, 11145641, -9543680, 17303925, -14124238, 6536641, 10543906},
- FieldElement{-28946384, 15479763, -17466835, 568876, -1497683, 11223454, -2669190, -16625574, -27235709, 8876771},
- },
- {
- FieldElement{-25742899, -12566864, -15649966, -846607, -33026686, -796288, -33481822, 15824474, -604426, -9039817},
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- },
- {
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- FieldElement{28685821, 7759505, -14378516, -12002860, -31971820, 4079242, 298136, -10232602, -2878207, 15190420},
- },
- {
- FieldElement{-32932876, 13806336, -14337485, -15794431, -24004620, 10940928, 8669718, 2742393, -26033313, -6875003},
- FieldElement{-1580388, -11729417, -25979658, -11445023, -17411874, -10912854, 9291594, -16247779, -12154742, 6048605},
- FieldElement{-30305315, 14843444, 1539301, 11864366, 20201677, 1900163, 13934231, 5128323, 11213262, 9168384},
- },
- {
- FieldElement{-26280513, 11007847, 19408960, -940758, -18592965, -4328580, -5088060, -11105150, 20470157, -16398701},
- FieldElement{-23136053, 9282192, 14855179, -15390078, -7362815, -14408560, -22783952, 14461608, 14042978, 5230683},
- FieldElement{29969567, -2741594, -16711867, -8552442, 9175486, -2468974, 21556951, 3506042, -5933891, -12449708},
- },
- {
- FieldElement{-3144746, 8744661, 19704003, 4581278, -20430686, 6830683, -21284170, 8971513, -28539189, 15326563},
- FieldElement{-19464629, 10110288, -17262528, -3503892, -23500387, 1355669, -15523050, 15300988, -20514118, 9168260},
- FieldElement{-5353335, 4488613, -23803248, 16314347, 7780487, -15638939, -28948358, 9601605, 33087103, -9011387},
- },
- {
- FieldElement{-19443170, -15512900, -20797467, -12445323, -29824447, 10229461, -27444329, -15000531, -5996870, 15664672},
- FieldElement{23294591, -16632613, -22650781, -8470978, 27844204, 11461195, 13099750, -2460356, 18151676, 13417686},
- FieldElement{-24722913, -4176517, -31150679, 5988919, -26858785, 6685065, 1661597, -12551441, 15271676, -15452665},
- },
- },
- {
- {
- FieldElement{11433042, -13228665, 8239631, -5279517, -1985436, -725718, -18698764, 2167544, -6921301, -13440182},
- FieldElement{-31436171, 15575146, 30436815, 12192228, -22463353, 9395379, -9917708, -8638997, 12215110, 12028277},
- FieldElement{14098400, 6555944, 23007258, 5757252, -15427832, -12950502, 30123440, 4617780, -16900089, -655628},
- },
- {
- FieldElement{-4026201, -15240835, 11893168, 13718664, -14809462, 1847385, -15819999, 10154009, 23973261, -12684474},
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- FieldElement{-25479301, 10876443, -11771086, -14625140, -12369567, 1838104, 21911214, 6354752, 4425632, -837822},
- },
- {
- FieldElement{-10433389, -14612966, 22229858, -3091047, -13191166, 776729, -17415375, -12020462, 4725005, 14044970},
- FieldElement{19268650, -7304421, 1555349, 8692754, -21474059, -9910664, 6347390, -1411784, -19522291, -16109756},
- FieldElement{-24864089, 12986008, -10898878, -5558584, -11312371, -148526, 19541418, 8180106, 9282262, 10282508},
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- {
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- {
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- FieldElement{-26378102, -7965207, -22167821, 15789297, -18055342, -6168792, -1984914, 15707771, 26342023, 10146099},
- },
- },
- {
- {
- FieldElement{-26016874, -219943, 21339191, -41388, 19745256, -2878700, -29637280, 2227040, 21612326, -545728},
- FieldElement{-13077387, 1184228, 23562814, -5970442, -20351244, -6348714, 25764461, 12243797, -20856566, 11649658},
- FieldElement{-10031494, 11262626, 27384172, 2271902, 26947504, -15997771, 39944, 6114064, 33514190, 2333242},
- },
- {
- FieldElement{-21433588, -12421821, 8119782, 7219913, -21830522, -9016134, -6679750, -12670638, 24350578, -13450001},
- FieldElement{-4116307, -11271533, -23886186, 4843615, -30088339, 690623, -31536088, -10406836, 8317860, 12352766},
- FieldElement{18200138, -14475911, -33087759, -2696619, -23702521, -9102511, -23552096, -2287550, 20712163, 6719373},
- },
- {
- FieldElement{26656208, 6075253, -7858556, 1886072, -28344043, 4262326, 11117530, -3763210, 26224235, -3297458},
- FieldElement{-17168938, -14854097, -3395676, -16369877, -19954045, 14050420, 21728352, 9493610, 18620611, -16428628},
- FieldElement{-13323321, 13325349, 11432106, 5964811, 18609221, 6062965, -5269471, -9725556, -30701573, -16479657},
- },
- {
- FieldElement{-23860538, -11233159, 26961357, 1640861, -32413112, -16737940, 12248509, -5240639, 13735342, 1934062},
- FieldElement{25089769, 6742589, 17081145, -13406266, 21909293, -16067981, -15136294, -3765346, -21277997, 5473616},
- FieldElement{31883677, -7961101, 1083432, -11572403, 22828471, 13290673, -7125085, 12469656, 29111212, -5451014},
- },
- {
- FieldElement{24244947, -15050407, -26262976, 2791540, -14997599, 16666678, 24367466, 6388839, -10295587, 452383},
- FieldElement{-25640782, -3417841, 5217916, 16224624, 19987036, -4082269, -24236251, -5915248, 15766062, 8407814},
- FieldElement{-20406999, 13990231, 15495425, 16395525, 5377168, 15166495, -8917023, -4388953, -8067909, 2276718},
- },
- {
- FieldElement{30157918, 12924066, -17712050, 9245753, 19895028, 3368142, -23827587, 5096219, 22740376, -7303417},
- FieldElement{2041139, -14256350, 7783687, 13876377, -25946985, -13352459, 24051124, 13742383, -15637599, 13295222},
- FieldElement{33338237, -8505733, 12532113, 7977527, 9106186, -1715251, -17720195, -4612972, -4451357, -14669444},
- },
- {
- FieldElement{-20045281, 5454097, -14346548, 6447146, 28862071, 1883651, -2469266, -4141880, 7770569, 9620597},
- FieldElement{23208068, 7979712, 33071466, 8149229, 1758231, -10834995, 30945528, -1694323, -33502340, -14767970},
- FieldElement{1439958, -16270480, -1079989, -793782, 4625402, 10647766, -5043801, 1220118, 30494170, -11440799},
- },
- {
- FieldElement{-5037580, -13028295, -2970559, -3061767, 15640974, -6701666, -26739026, 926050, -1684339, -13333647},
- FieldElement{13908495, -3549272, 30919928, -6273825, -21521863, 7989039, 9021034, 9078865, 3353509, 4033511},
- FieldElement{-29663431, -15113610, 32259991, -344482, 24295849, -12912123, 23161163, 8839127, 27485041, 7356032},
- },
- },
- {
- {
- FieldElement{9661027, 705443, 11980065, -5370154, -1628543, 14661173, -6346142, 2625015, 28431036, -16771834},
- FieldElement{-23839233, -8311415, -25945511, 7480958, -17681669, -8354183, -22545972, 14150565, 15970762, 4099461},
- FieldElement{29262576, 16756590, 26350592, -8793563, 8529671, -11208050, 13617293, -9937143, 11465739, 8317062},
- },
- {
- FieldElement{-25493081, -6962928, 32500200, -9419051, -23038724, -2302222, 14898637, 3848455, 20969334, -5157516},
- FieldElement{-20384450, -14347713, -18336405, 13884722, -33039454, 2842114, -21610826, -3649888, 11177095, 14989547},
- FieldElement{-24496721, -11716016, 16959896, 2278463, 12066309, 10137771, 13515641, 2581286, -28487508, 9930240},
- },
- {
- FieldElement{-17751622, -2097826, 16544300, -13009300, -15914807, -14949081, 18345767, -13403753, 16291481, -5314038},
- FieldElement{-33229194, 2553288, 32678213, 9875984, 8534129, 6889387, -9676774, 6957617, 4368891, 9788741},
- FieldElement{16660756, 7281060, -10830758, 12911820, 20108584, -8101676, -21722536, -8613148, 16250552, -11111103},
- },
- {
- FieldElement{-19765507, 2390526, -16551031, 14161980, 1905286, 6414907, 4689584, 10604807, -30190403, 4782747},
- FieldElement{-1354539, 14736941, -7367442, -13292886, 7710542, -14155590, -9981571, 4383045, 22546403, 437323},
- FieldElement{31665577, -12180464, -16186830, 1491339, -18368625, 3294682, 27343084, 2786261, -30633590, -14097016},
- },
- {
- FieldElement{-14467279, -683715, -33374107, 7448552, 19294360, 14334329, -19690631, 2355319, -19284671, -6114373},
- FieldElement{15121312, -15796162, 6377020, -6031361, -10798111, -12957845, 18952177, 15496498, -29380133, 11754228},
- FieldElement{-2637277, -13483075, 8488727, -14303896, 12728761, -1622493, 7141596, 11724556, 22761615, -10134141},
- },
- {
- FieldElement{16918416, 11729663, -18083579, 3022987, -31015732, -13339659, -28741185, -12227393, 32851222, 11717399},
- FieldElement{11166634, 7338049, -6722523, 4531520, -29468672, -7302055, 31474879, 3483633, -1193175, -4030831},
- FieldElement{-185635, 9921305, 31456609, -13536438, -12013818, 13348923, 33142652, 6546660, -19985279, -3948376},
- },
- {
- FieldElement{-32460596, 11266712, -11197107, -7899103, 31703694, 3855903, -8537131, -12833048, -30772034, -15486313},
- FieldElement{-18006477, 12709068, 3991746, -6479188, -21491523, -10550425, -31135347, -16049879, 10928917, 3011958},
- FieldElement{-6957757, -15594337, 31696059, 334240, 29576716, 14796075, -30831056, -12805180, 18008031, 10258577},
- },
- {
- FieldElement{-22448644, 15655569, 7018479, -4410003, -30314266, -1201591, -1853465, 1367120, 25127874, 6671743},
- FieldElement{29701166, -14373934, -10878120, 9279288, -17568, 13127210, 21382910, 11042292, 25838796, 4642684},
- FieldElement{-20430234, 14955537, -24126347, 8124619, -5369288, -5990470, 30468147, -13900640, 18423289, 4177476},
- },
- },
-}
diff --git a/vendor/golang.org/x/crypto/ed25519/internal/edwards25519/edwards25519.go b/vendor/golang.org/x/crypto/ed25519/internal/edwards25519/edwards25519.go
deleted file mode 100644
index 5f8b994..0000000
--- a/vendor/golang.org/x/crypto/ed25519/internal/edwards25519/edwards25519.go
+++ /dev/null
@@ -1,1771 +0,0 @@
-// Copyright 2016 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package edwards25519
-
-// This code is a port of the public domain, “ref10” implementation of ed25519
-// from SUPERCOP.
-
-// FieldElement represents an element of the field GF(2^255 - 19). An element
-// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
-// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on
-// context.
-type FieldElement [10]int32
-
-var zero FieldElement
-
-func FeZero(fe *FieldElement) {
- copy(fe[:], zero[:])
-}
-
-func FeOne(fe *FieldElement) {
- FeZero(fe)
- fe[0] = 1
-}
-
-func FeAdd(dst, a, b *FieldElement) {
- dst[0] = a[0] + b[0]
- dst[1] = a[1] + b[1]
- dst[2] = a[2] + b[2]
- dst[3] = a[3] + b[3]
- dst[4] = a[4] + b[4]
- dst[5] = a[5] + b[5]
- dst[6] = a[6] + b[6]
- dst[7] = a[7] + b[7]
- dst[8] = a[8] + b[8]
- dst[9] = a[9] + b[9]
-}
-
-func FeSub(dst, a, b *FieldElement) {
- dst[0] = a[0] - b[0]
- dst[1] = a[1] - b[1]
- dst[2] = a[2] - b[2]
- dst[3] = a[3] - b[3]
- dst[4] = a[4] - b[4]
- dst[5] = a[5] - b[5]
- dst[6] = a[6] - b[6]
- dst[7] = a[7] - b[7]
- dst[8] = a[8] - b[8]
- dst[9] = a[9] - b[9]
-}
-
-func FeCopy(dst, src *FieldElement) {
- copy(dst[:], src[:])
-}
-
-// Replace (f,g) with (g,g) if b == 1;
-// replace (f,g) with (f,g) if b == 0.
-//
-// Preconditions: b in {0,1}.
-func FeCMove(f, g *FieldElement, b int32) {
- b = -b
- f[0] ^= b & (f[0] ^ g[0])
- f[1] ^= b & (f[1] ^ g[1])
- f[2] ^= b & (f[2] ^ g[2])
- f[3] ^= b & (f[3] ^ g[3])
- f[4] ^= b & (f[4] ^ g[4])
- f[5] ^= b & (f[5] ^ g[5])
- f[6] ^= b & (f[6] ^ g[6])
- f[7] ^= b & (f[7] ^ g[7])
- f[8] ^= b & (f[8] ^ g[8])
- f[9] ^= b & (f[9] ^ g[9])
-}
-
-func load3(in []byte) int64 {
- var r int64
- r = int64(in[0])
- r |= int64(in[1]) << 8
- r |= int64(in[2]) << 16
- return r
-}
-
-func load4(in []byte) int64 {
- var r int64
- r = int64(in[0])
- r |= int64(in[1]) << 8
- r |= int64(in[2]) << 16
- r |= int64(in[3]) << 24
- return r
-}
-
-func FeFromBytes(dst *FieldElement, src *[32]byte) {
- h0 := load4(src[:])
- h1 := load3(src[4:]) << 6
- h2 := load3(src[7:]) << 5
- h3 := load3(src[10:]) << 3
- h4 := load3(src[13:]) << 2
- h5 := load4(src[16:])
- h6 := load3(src[20:]) << 7
- h7 := load3(src[23:]) << 5
- h8 := load3(src[26:]) << 4
- h9 := (load3(src[29:]) & 8388607) << 2
-
- FeCombine(dst, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-// FeToBytes marshals h to s.
-// Preconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Write p=2^255-19; q=floor(h/p).
-// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
-//
-// Proof:
-// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
-// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4.
-//
-// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
-// Then 0> 25
- q = (h[0] + q) >> 26
- q = (h[1] + q) >> 25
- q = (h[2] + q) >> 26
- q = (h[3] + q) >> 25
- q = (h[4] + q) >> 26
- q = (h[5] + q) >> 25
- q = (h[6] + q) >> 26
- q = (h[7] + q) >> 25
- q = (h[8] + q) >> 26
- q = (h[9] + q) >> 25
-
- // Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20.
- h[0] += 19 * q
- // Goal: Output h-2^255 q, which is between 0 and 2^255-20.
-
- carry[0] = h[0] >> 26
- h[1] += carry[0]
- h[0] -= carry[0] << 26
- carry[1] = h[1] >> 25
- h[2] += carry[1]
- h[1] -= carry[1] << 25
- carry[2] = h[2] >> 26
- h[3] += carry[2]
- h[2] -= carry[2] << 26
- carry[3] = h[3] >> 25
- h[4] += carry[3]
- h[3] -= carry[3] << 25
- carry[4] = h[4] >> 26
- h[5] += carry[4]
- h[4] -= carry[4] << 26
- carry[5] = h[5] >> 25
- h[6] += carry[5]
- h[5] -= carry[5] << 25
- carry[6] = h[6] >> 26
- h[7] += carry[6]
- h[6] -= carry[6] << 26
- carry[7] = h[7] >> 25
- h[8] += carry[7]
- h[7] -= carry[7] << 25
- carry[8] = h[8] >> 26
- h[9] += carry[8]
- h[8] -= carry[8] << 26
- carry[9] = h[9] >> 25
- h[9] -= carry[9] << 25
- // h10 = carry9
-
- // Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
- // Have h[0]+...+2^230 h[9] between 0 and 2^255-1;
- // evidently 2^255 h10-2^255 q = 0.
- // Goal: Output h[0]+...+2^230 h[9].
-
- s[0] = byte(h[0] >> 0)
- s[1] = byte(h[0] >> 8)
- s[2] = byte(h[0] >> 16)
- s[3] = byte((h[0] >> 24) | (h[1] << 2))
- s[4] = byte(h[1] >> 6)
- s[5] = byte(h[1] >> 14)
- s[6] = byte((h[1] >> 22) | (h[2] << 3))
- s[7] = byte(h[2] >> 5)
- s[8] = byte(h[2] >> 13)
- s[9] = byte((h[2] >> 21) | (h[3] << 5))
- s[10] = byte(h[3] >> 3)
- s[11] = byte(h[3] >> 11)
- s[12] = byte((h[3] >> 19) | (h[4] << 6))
- s[13] = byte(h[4] >> 2)
- s[14] = byte(h[4] >> 10)
- s[15] = byte(h[4] >> 18)
- s[16] = byte(h[5] >> 0)
- s[17] = byte(h[5] >> 8)
- s[18] = byte(h[5] >> 16)
- s[19] = byte((h[5] >> 24) | (h[6] << 1))
- s[20] = byte(h[6] >> 7)
- s[21] = byte(h[6] >> 15)
- s[22] = byte((h[6] >> 23) | (h[7] << 3))
- s[23] = byte(h[7] >> 5)
- s[24] = byte(h[7] >> 13)
- s[25] = byte((h[7] >> 21) | (h[8] << 4))
- s[26] = byte(h[8] >> 4)
- s[27] = byte(h[8] >> 12)
- s[28] = byte((h[8] >> 20) | (h[9] << 6))
- s[29] = byte(h[9] >> 2)
- s[30] = byte(h[9] >> 10)
- s[31] = byte(h[9] >> 18)
-}
-
-func FeIsNegative(f *FieldElement) byte {
- var s [32]byte
- FeToBytes(&s, f)
- return s[0] & 1
-}
-
-func FeIsNonZero(f *FieldElement) int32 {
- var s [32]byte
- FeToBytes(&s, f)
- var x uint8
- for _, b := range s {
- x |= b
- }
- x |= x >> 4
- x |= x >> 2
- x |= x >> 1
- return int32(x & 1)
-}
-
-// FeNeg sets h = -f
-//
-// Preconditions:
-// |f| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Postconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-func FeNeg(h, f *FieldElement) {
- h[0] = -f[0]
- h[1] = -f[1]
- h[2] = -f[2]
- h[3] = -f[3]
- h[4] = -f[4]
- h[5] = -f[5]
- h[6] = -f[6]
- h[7] = -f[7]
- h[8] = -f[8]
- h[9] = -f[9]
-}
-
-func FeCombine(h *FieldElement, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) {
- var c0, c1, c2, c3, c4, c5, c6, c7, c8, c9 int64
-
- /*
- |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38))
- i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8
- |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19))
- i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9
- */
-
- c0 = (h0 + (1 << 25)) >> 26
- h1 += c0
- h0 -= c0 << 26
- c4 = (h4 + (1 << 25)) >> 26
- h5 += c4
- h4 -= c4 << 26
- /* |h0| <= 2^25 */
- /* |h4| <= 2^25 */
- /* |h1| <= 1.51*2^58 */
- /* |h5| <= 1.51*2^58 */
-
- c1 = (h1 + (1 << 24)) >> 25
- h2 += c1
- h1 -= c1 << 25
- c5 = (h5 + (1 << 24)) >> 25
- h6 += c5
- h5 -= c5 << 25
- /* |h1| <= 2^24; from now on fits into int32 */
- /* |h5| <= 2^24; from now on fits into int32 */
- /* |h2| <= 1.21*2^59 */
- /* |h6| <= 1.21*2^59 */
-
- c2 = (h2 + (1 << 25)) >> 26
- h3 += c2
- h2 -= c2 << 26
- c6 = (h6 + (1 << 25)) >> 26
- h7 += c6
- h6 -= c6 << 26
- /* |h2| <= 2^25; from now on fits into int32 unchanged */
- /* |h6| <= 2^25; from now on fits into int32 unchanged */
- /* |h3| <= 1.51*2^58 */
- /* |h7| <= 1.51*2^58 */
-
- c3 = (h3 + (1 << 24)) >> 25
- h4 += c3
- h3 -= c3 << 25
- c7 = (h7 + (1 << 24)) >> 25
- h8 += c7
- h7 -= c7 << 25
- /* |h3| <= 2^24; from now on fits into int32 unchanged */
- /* |h7| <= 2^24; from now on fits into int32 unchanged */
- /* |h4| <= 1.52*2^33 */
- /* |h8| <= 1.52*2^33 */
-
- c4 = (h4 + (1 << 25)) >> 26
- h5 += c4
- h4 -= c4 << 26
- c8 = (h8 + (1 << 25)) >> 26
- h9 += c8
- h8 -= c8 << 26
- /* |h4| <= 2^25; from now on fits into int32 unchanged */
- /* |h8| <= 2^25; from now on fits into int32 unchanged */
- /* |h5| <= 1.01*2^24 */
- /* |h9| <= 1.51*2^58 */
-
- c9 = (h9 + (1 << 24)) >> 25
- h0 += c9 * 19
- h9 -= c9 << 25
- /* |h9| <= 2^24; from now on fits into int32 unchanged */
- /* |h0| <= 1.8*2^37 */
-
- c0 = (h0 + (1 << 25)) >> 26
- h1 += c0
- h0 -= c0 << 26
- /* |h0| <= 2^25; from now on fits into int32 unchanged */
- /* |h1| <= 1.01*2^24 */
-
- h[0] = int32(h0)
- h[1] = int32(h1)
- h[2] = int32(h2)
- h[3] = int32(h3)
- h[4] = int32(h4)
- h[5] = int32(h5)
- h[6] = int32(h6)
- h[7] = int32(h7)
- h[8] = int32(h8)
- h[9] = int32(h9)
-}
-
-// FeMul calculates h = f * g
-// Can overlap h with f or g.
-//
-// Preconditions:
-// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-//
-// Notes on implementation strategy:
-//
-// Using schoolbook multiplication.
-// Karatsuba would save a little in some cost models.
-//
-// Most multiplications by 2 and 19 are 32-bit precomputations;
-// cheaper than 64-bit postcomputations.
-//
-// There is one remaining multiplication by 19 in the carry chain;
-// one *19 precomputation can be merged into this,
-// but the resulting data flow is considerably less clean.
-//
-// There are 12 carries below.
-// 10 of them are 2-way parallelizable and vectorizable.
-// Can get away with 11 carries, but then data flow is much deeper.
-//
-// With tighter constraints on inputs, can squeeze carries into int32.
-func FeMul(h, f, g *FieldElement) {
- f0 := int64(f[0])
- f1 := int64(f[1])
- f2 := int64(f[2])
- f3 := int64(f[3])
- f4 := int64(f[4])
- f5 := int64(f[5])
- f6 := int64(f[6])
- f7 := int64(f[7])
- f8 := int64(f[8])
- f9 := int64(f[9])
-
- f1_2 := int64(2 * f[1])
- f3_2 := int64(2 * f[3])
- f5_2 := int64(2 * f[5])
- f7_2 := int64(2 * f[7])
- f9_2 := int64(2 * f[9])
-
- g0 := int64(g[0])
- g1 := int64(g[1])
- g2 := int64(g[2])
- g3 := int64(g[3])
- g4 := int64(g[4])
- g5 := int64(g[5])
- g6 := int64(g[6])
- g7 := int64(g[7])
- g8 := int64(g[8])
- g9 := int64(g[9])
-
- g1_19 := int64(19 * g[1]) /* 1.4*2^29 */
- g2_19 := int64(19 * g[2]) /* 1.4*2^30; still ok */
- g3_19 := int64(19 * g[3])
- g4_19 := int64(19 * g[4])
- g5_19 := int64(19 * g[5])
- g6_19 := int64(19 * g[6])
- g7_19 := int64(19 * g[7])
- g8_19 := int64(19 * g[8])
- g9_19 := int64(19 * g[9])
-
- h0 := f0*g0 + f1_2*g9_19 + f2*g8_19 + f3_2*g7_19 + f4*g6_19 + f5_2*g5_19 + f6*g4_19 + f7_2*g3_19 + f8*g2_19 + f9_2*g1_19
- h1 := f0*g1 + f1*g0 + f2*g9_19 + f3*g8_19 + f4*g7_19 + f5*g6_19 + f6*g5_19 + f7*g4_19 + f8*g3_19 + f9*g2_19
- h2 := f0*g2 + f1_2*g1 + f2*g0 + f3_2*g9_19 + f4*g8_19 + f5_2*g7_19 + f6*g6_19 + f7_2*g5_19 + f8*g4_19 + f9_2*g3_19
- h3 := f0*g3 + f1*g2 + f2*g1 + f3*g0 + f4*g9_19 + f5*g8_19 + f6*g7_19 + f7*g6_19 + f8*g5_19 + f9*g4_19
- h4 := f0*g4 + f1_2*g3 + f2*g2 + f3_2*g1 + f4*g0 + f5_2*g9_19 + f6*g8_19 + f7_2*g7_19 + f8*g6_19 + f9_2*g5_19
- h5 := f0*g5 + f1*g4 + f2*g3 + f3*g2 + f4*g1 + f5*g0 + f6*g9_19 + f7*g8_19 + f8*g7_19 + f9*g6_19
- h6 := f0*g6 + f1_2*g5 + f2*g4 + f3_2*g3 + f4*g2 + f5_2*g1 + f6*g0 + f7_2*g9_19 + f8*g8_19 + f9_2*g7_19
- h7 := f0*g7 + f1*g6 + f2*g5 + f3*g4 + f4*g3 + f5*g2 + f6*g1 + f7*g0 + f8*g9_19 + f9*g8_19
- h8 := f0*g8 + f1_2*g7 + f2*g6 + f3_2*g5 + f4*g4 + f5_2*g3 + f6*g2 + f7_2*g1 + f8*g0 + f9_2*g9_19
- h9 := f0*g9 + f1*g8 + f2*g7 + f3*g6 + f4*g5 + f5*g4 + f6*g3 + f7*g2 + f8*g1 + f9*g0
-
- FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-func feSquare(f *FieldElement) (h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 int64) {
- f0 := int64(f[0])
- f1 := int64(f[1])
- f2 := int64(f[2])
- f3 := int64(f[3])
- f4 := int64(f[4])
- f5 := int64(f[5])
- f6 := int64(f[6])
- f7 := int64(f[7])
- f8 := int64(f[8])
- f9 := int64(f[9])
- f0_2 := int64(2 * f[0])
- f1_2 := int64(2 * f[1])
- f2_2 := int64(2 * f[2])
- f3_2 := int64(2 * f[3])
- f4_2 := int64(2 * f[4])
- f5_2 := int64(2 * f[5])
- f6_2 := int64(2 * f[6])
- f7_2 := int64(2 * f[7])
- f5_38 := 38 * f5 // 1.31*2^30
- f6_19 := 19 * f6 // 1.31*2^30
- f7_38 := 38 * f7 // 1.31*2^30
- f8_19 := 19 * f8 // 1.31*2^30
- f9_38 := 38 * f9 // 1.31*2^30
-
- h0 = f0*f0 + f1_2*f9_38 + f2_2*f8_19 + f3_2*f7_38 + f4_2*f6_19 + f5*f5_38
- h1 = f0_2*f1 + f2*f9_38 + f3_2*f8_19 + f4*f7_38 + f5_2*f6_19
- h2 = f0_2*f2 + f1_2*f1 + f3_2*f9_38 + f4_2*f8_19 + f5_2*f7_38 + f6*f6_19
- h3 = f0_2*f3 + f1_2*f2 + f4*f9_38 + f5_2*f8_19 + f6*f7_38
- h4 = f0_2*f4 + f1_2*f3_2 + f2*f2 + f5_2*f9_38 + f6_2*f8_19 + f7*f7_38
- h5 = f0_2*f5 + f1_2*f4 + f2_2*f3 + f6*f9_38 + f7_2*f8_19
- h6 = f0_2*f6 + f1_2*f5_2 + f2_2*f4 + f3_2*f3 + f7_2*f9_38 + f8*f8_19
- h7 = f0_2*f7 + f1_2*f6 + f2_2*f5 + f3_2*f4 + f8*f9_38
- h8 = f0_2*f8 + f1_2*f7_2 + f2_2*f6 + f3_2*f5_2 + f4*f4 + f9*f9_38
- h9 = f0_2*f9 + f1_2*f8 + f2_2*f7 + f3_2*f6 + f4_2*f5
-
- return
-}
-
-// FeSquare calculates h = f*f. Can overlap h with f.
-//
-// Preconditions:
-// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
-//
-// Postconditions:
-// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
-func FeSquare(h, f *FieldElement) {
- h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f)
- FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-// FeSquare2 sets h = 2 * f * f
-//
-// Can overlap h with f.
-//
-// Preconditions:
-// |f| bounded by 1.65*2^26,1.65*2^25,1.65*2^26,1.65*2^25,etc.
-//
-// Postconditions:
-// |h| bounded by 1.01*2^25,1.01*2^24,1.01*2^25,1.01*2^24,etc.
-// See fe_mul.c for discussion of implementation strategy.
-func FeSquare2(h, f *FieldElement) {
- h0, h1, h2, h3, h4, h5, h6, h7, h8, h9 := feSquare(f)
-
- h0 += h0
- h1 += h1
- h2 += h2
- h3 += h3
- h4 += h4
- h5 += h5
- h6 += h6
- h7 += h7
- h8 += h8
- h9 += h9
-
- FeCombine(h, h0, h1, h2, h3, h4, h5, h6, h7, h8, h9)
-}
-
-func FeInvert(out, z *FieldElement) {
- var t0, t1, t2, t3 FieldElement
- var i int
-
- FeSquare(&t0, z) // 2^1
- FeSquare(&t1, &t0) // 2^2
- for i = 1; i < 2; i++ { // 2^3
- FeSquare(&t1, &t1)
- }
- FeMul(&t1, z, &t1) // 2^3 + 2^0
- FeMul(&t0, &t0, &t1) // 2^3 + 2^1 + 2^0
- FeSquare(&t2, &t0) // 2^4 + 2^2 + 2^1
- FeMul(&t1, &t1, &t2) // 2^4 + 2^3 + 2^2 + 2^1 + 2^0
- FeSquare(&t2, &t1) // 5,4,3,2,1
- for i = 1; i < 5; i++ { // 9,8,7,6,5
- FeSquare(&t2, &t2)
- }
- FeMul(&t1, &t2, &t1) // 9,8,7,6,5,4,3,2,1,0
- FeSquare(&t2, &t1) // 10..1
- for i = 1; i < 10; i++ { // 19..10
- FeSquare(&t2, &t2)
- }
- FeMul(&t2, &t2, &t1) // 19..0
- FeSquare(&t3, &t2) // 20..1
- for i = 1; i < 20; i++ { // 39..20
- FeSquare(&t3, &t3)
- }
- FeMul(&t2, &t3, &t2) // 39..0
- FeSquare(&t2, &t2) // 40..1
- for i = 1; i < 10; i++ { // 49..10
- FeSquare(&t2, &t2)
- }
- FeMul(&t1, &t2, &t1) // 49..0
- FeSquare(&t2, &t1) // 50..1
- for i = 1; i < 50; i++ { // 99..50
- FeSquare(&t2, &t2)
- }
- FeMul(&t2, &t2, &t1) // 99..0
- FeSquare(&t3, &t2) // 100..1
- for i = 1; i < 100; i++ { // 199..100
- FeSquare(&t3, &t3)
- }
- FeMul(&t2, &t3, &t2) // 199..0
- FeSquare(&t2, &t2) // 200..1
- for i = 1; i < 50; i++ { // 249..50
- FeSquare(&t2, &t2)
- }
- FeMul(&t1, &t2, &t1) // 249..0
- FeSquare(&t1, &t1) // 250..1
- for i = 1; i < 5; i++ { // 254..5
- FeSquare(&t1, &t1)
- }
- FeMul(out, &t1, &t0) // 254..5,3,1,0
-}
-
-func fePow22523(out, z *FieldElement) {
- var t0, t1, t2 FieldElement
- var i int
-
- FeSquare(&t0, z)
- for i = 1; i < 1; i++ {
- FeSquare(&t0, &t0)
- }
- FeSquare(&t1, &t0)
- for i = 1; i < 2; i++ {
- FeSquare(&t1, &t1)
- }
- FeMul(&t1, z, &t1)
- FeMul(&t0, &t0, &t1)
- FeSquare(&t0, &t0)
- for i = 1; i < 1; i++ {
- FeSquare(&t0, &t0)
- }
- FeMul(&t0, &t1, &t0)
- FeSquare(&t1, &t0)
- for i = 1; i < 5; i++ {
- FeSquare(&t1, &t1)
- }
- FeMul(&t0, &t1, &t0)
- FeSquare(&t1, &t0)
- for i = 1; i < 10; i++ {
- FeSquare(&t1, &t1)
- }
- FeMul(&t1, &t1, &t0)
- FeSquare(&t2, &t1)
- for i = 1; i < 20; i++ {
- FeSquare(&t2, &t2)
- }
- FeMul(&t1, &t2, &t1)
- FeSquare(&t1, &t1)
- for i = 1; i < 10; i++ {
- FeSquare(&t1, &t1)
- }
- FeMul(&t0, &t1, &t0)
- FeSquare(&t1, &t0)
- for i = 1; i < 50; i++ {
- FeSquare(&t1, &t1)
- }
- FeMul(&t1, &t1, &t0)
- FeSquare(&t2, &t1)
- for i = 1; i < 100; i++ {
- FeSquare(&t2, &t2)
- }
- FeMul(&t1, &t2, &t1)
- FeSquare(&t1, &t1)
- for i = 1; i < 50; i++ {
- FeSquare(&t1, &t1)
- }
- FeMul(&t0, &t1, &t0)
- FeSquare(&t0, &t0)
- for i = 1; i < 2; i++ {
- FeSquare(&t0, &t0)
- }
- FeMul(out, &t0, z)
-}
-
-// Group elements are members of the elliptic curve -x^2 + y^2 = 1 + d * x^2 *
-// y^2 where d = -121665/121666.
-//
-// Several representations are used:
-// ProjectiveGroupElement: (X:Y:Z) satisfying x=X/Z, y=Y/Z
-// ExtendedGroupElement: (X:Y:Z:T) satisfying x=X/Z, y=Y/Z, XY=ZT
-// CompletedGroupElement: ((X:Z),(Y:T)) satisfying x=X/Z, y=Y/T
-// PreComputedGroupElement: (y+x,y-x,2dxy)
-
-type ProjectiveGroupElement struct {
- X, Y, Z FieldElement
-}
-
-type ExtendedGroupElement struct {
- X, Y, Z, T FieldElement
-}
-
-type CompletedGroupElement struct {
- X, Y, Z, T FieldElement
-}
-
-type PreComputedGroupElement struct {
- yPlusX, yMinusX, xy2d FieldElement
-}
-
-type CachedGroupElement struct {
- yPlusX, yMinusX, Z, T2d FieldElement
-}
-
-func (p *ProjectiveGroupElement) Zero() {
- FeZero(&p.X)
- FeOne(&p.Y)
- FeOne(&p.Z)
-}
-
-func (p *ProjectiveGroupElement) Double(r *CompletedGroupElement) {
- var t0 FieldElement
-
- FeSquare(&r.X, &p.X)
- FeSquare(&r.Z, &p.Y)
- FeSquare2(&r.T, &p.Z)
- FeAdd(&r.Y, &p.X, &p.Y)
- FeSquare(&t0, &r.Y)
- FeAdd(&r.Y, &r.Z, &r.X)
- FeSub(&r.Z, &r.Z, &r.X)
- FeSub(&r.X, &t0, &r.Y)
- FeSub(&r.T, &r.T, &r.Z)
-}
-
-func (p *ProjectiveGroupElement) ToBytes(s *[32]byte) {
- var recip, x, y FieldElement
-
- FeInvert(&recip, &p.Z)
- FeMul(&x, &p.X, &recip)
- FeMul(&y, &p.Y, &recip)
- FeToBytes(s, &y)
- s[31] ^= FeIsNegative(&x) << 7
-}
-
-func (p *ExtendedGroupElement) Zero() {
- FeZero(&p.X)
- FeOne(&p.Y)
- FeOne(&p.Z)
- FeZero(&p.T)
-}
-
-func (p *ExtendedGroupElement) Double(r *CompletedGroupElement) {
- var q ProjectiveGroupElement
- p.ToProjective(&q)
- q.Double(r)
-}
-
-func (p *ExtendedGroupElement) ToCached(r *CachedGroupElement) {
- FeAdd(&r.yPlusX, &p.Y, &p.X)
- FeSub(&r.yMinusX, &p.Y, &p.X)
- FeCopy(&r.Z, &p.Z)
- FeMul(&r.T2d, &p.T, &d2)
-}
-
-func (p *ExtendedGroupElement) ToProjective(r *ProjectiveGroupElement) {
- FeCopy(&r.X, &p.X)
- FeCopy(&r.Y, &p.Y)
- FeCopy(&r.Z, &p.Z)
-}
-
-func (p *ExtendedGroupElement) ToBytes(s *[32]byte) {
- var recip, x, y FieldElement
-
- FeInvert(&recip, &p.Z)
- FeMul(&x, &p.X, &recip)
- FeMul(&y, &p.Y, &recip)
- FeToBytes(s, &y)
- s[31] ^= FeIsNegative(&x) << 7
-}
-
-func (p *ExtendedGroupElement) FromBytes(s *[32]byte) bool {
- var u, v, v3, vxx, check FieldElement
-
- FeFromBytes(&p.Y, s)
- FeOne(&p.Z)
- FeSquare(&u, &p.Y)
- FeMul(&v, &u, &d)
- FeSub(&u, &u, &p.Z) // y = y^2-1
- FeAdd(&v, &v, &p.Z) // v = dy^2+1
-
- FeSquare(&v3, &v)
- FeMul(&v3, &v3, &v) // v3 = v^3
- FeSquare(&p.X, &v3)
- FeMul(&p.X, &p.X, &v)
- FeMul(&p.X, &p.X, &u) // x = uv^7
-
- fePow22523(&p.X, &p.X) // x = (uv^7)^((q-5)/8)
- FeMul(&p.X, &p.X, &v3)
- FeMul(&p.X, &p.X, &u) // x = uv^3(uv^7)^((q-5)/8)
-
- var tmpX, tmp2 [32]byte
-
- FeSquare(&vxx, &p.X)
- FeMul(&vxx, &vxx, &v)
- FeSub(&check, &vxx, &u) // vx^2-u
- if FeIsNonZero(&check) == 1 {
- FeAdd(&check, &vxx, &u) // vx^2+u
- if FeIsNonZero(&check) == 1 {
- return false
- }
- FeMul(&p.X, &p.X, &SqrtM1)
-
- FeToBytes(&tmpX, &p.X)
- for i, v := range tmpX {
- tmp2[31-i] = v
- }
- }
-
- if FeIsNegative(&p.X) != (s[31] >> 7) {
- FeNeg(&p.X, &p.X)
- }
-
- FeMul(&p.T, &p.X, &p.Y)
- return true
-}
-
-func (p *CompletedGroupElement) ToProjective(r *ProjectiveGroupElement) {
- FeMul(&r.X, &p.X, &p.T)
- FeMul(&r.Y, &p.Y, &p.Z)
- FeMul(&r.Z, &p.Z, &p.T)
-}
-
-func (p *CompletedGroupElement) ToExtended(r *ExtendedGroupElement) {
- FeMul(&r.X, &p.X, &p.T)
- FeMul(&r.Y, &p.Y, &p.Z)
- FeMul(&r.Z, &p.Z, &p.T)
- FeMul(&r.T, &p.X, &p.Y)
-}
-
-func (p *PreComputedGroupElement) Zero() {
- FeOne(&p.yPlusX)
- FeOne(&p.yMinusX)
- FeZero(&p.xy2d)
-}
-
-func geAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) {
- var t0 FieldElement
-
- FeAdd(&r.X, &p.Y, &p.X)
- FeSub(&r.Y, &p.Y, &p.X)
- FeMul(&r.Z, &r.X, &q.yPlusX)
- FeMul(&r.Y, &r.Y, &q.yMinusX)
- FeMul(&r.T, &q.T2d, &p.T)
- FeMul(&r.X, &p.Z, &q.Z)
- FeAdd(&t0, &r.X, &r.X)
- FeSub(&r.X, &r.Z, &r.Y)
- FeAdd(&r.Y, &r.Z, &r.Y)
- FeAdd(&r.Z, &t0, &r.T)
- FeSub(&r.T, &t0, &r.T)
-}
-
-func geSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *CachedGroupElement) {
- var t0 FieldElement
-
- FeAdd(&r.X, &p.Y, &p.X)
- FeSub(&r.Y, &p.Y, &p.X)
- FeMul(&r.Z, &r.X, &q.yMinusX)
- FeMul(&r.Y, &r.Y, &q.yPlusX)
- FeMul(&r.T, &q.T2d, &p.T)
- FeMul(&r.X, &p.Z, &q.Z)
- FeAdd(&t0, &r.X, &r.X)
- FeSub(&r.X, &r.Z, &r.Y)
- FeAdd(&r.Y, &r.Z, &r.Y)
- FeSub(&r.Z, &t0, &r.T)
- FeAdd(&r.T, &t0, &r.T)
-}
-
-func geMixedAdd(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) {
- var t0 FieldElement
-
- FeAdd(&r.X, &p.Y, &p.X)
- FeSub(&r.Y, &p.Y, &p.X)
- FeMul(&r.Z, &r.X, &q.yPlusX)
- FeMul(&r.Y, &r.Y, &q.yMinusX)
- FeMul(&r.T, &q.xy2d, &p.T)
- FeAdd(&t0, &p.Z, &p.Z)
- FeSub(&r.X, &r.Z, &r.Y)
- FeAdd(&r.Y, &r.Z, &r.Y)
- FeAdd(&r.Z, &t0, &r.T)
- FeSub(&r.T, &t0, &r.T)
-}
-
-func geMixedSub(r *CompletedGroupElement, p *ExtendedGroupElement, q *PreComputedGroupElement) {
- var t0 FieldElement
-
- FeAdd(&r.X, &p.Y, &p.X)
- FeSub(&r.Y, &p.Y, &p.X)
- FeMul(&r.Z, &r.X, &q.yMinusX)
- FeMul(&r.Y, &r.Y, &q.yPlusX)
- FeMul(&r.T, &q.xy2d, &p.T)
- FeAdd(&t0, &p.Z, &p.Z)
- FeSub(&r.X, &r.Z, &r.Y)
- FeAdd(&r.Y, &r.Z, &r.Y)
- FeSub(&r.Z, &t0, &r.T)
- FeAdd(&r.T, &t0, &r.T)
-}
-
-func slide(r *[256]int8, a *[32]byte) {
- for i := range r {
- r[i] = int8(1 & (a[i>>3] >> uint(i&7)))
- }
-
- for i := range r {
- if r[i] != 0 {
- for b := 1; b <= 6 && i+b < 256; b++ {
- if r[i+b] != 0 {
- if r[i]+(r[i+b]<= -15 {
- r[i] -= r[i+b] << uint(b)
- for k := i + b; k < 256; k++ {
- if r[k] == 0 {
- r[k] = 1
- break
- }
- r[k] = 0
- }
- } else {
- break
- }
- }
- }
- }
- }
-}
-
-// GeDoubleScalarMultVartime sets r = a*A + b*B
-// where a = a[0]+256*a[1]+...+256^31 a[31].
-// and b = b[0]+256*b[1]+...+256^31 b[31].
-// B is the Ed25519 base point (x,4/5) with x positive.
-func GeDoubleScalarMultVartime(r *ProjectiveGroupElement, a *[32]byte, A *ExtendedGroupElement, b *[32]byte) {
- var aSlide, bSlide [256]int8
- var Ai [8]CachedGroupElement // A,3A,5A,7A,9A,11A,13A,15A
- var t CompletedGroupElement
- var u, A2 ExtendedGroupElement
- var i int
-
- slide(&aSlide, a)
- slide(&bSlide, b)
-
- A.ToCached(&Ai[0])
- A.Double(&t)
- t.ToExtended(&A2)
-
- for i := 0; i < 7; i++ {
- geAdd(&t, &A2, &Ai[i])
- t.ToExtended(&u)
- u.ToCached(&Ai[i+1])
- }
-
- r.Zero()
-
- for i = 255; i >= 0; i-- {
- if aSlide[i] != 0 || bSlide[i] != 0 {
- break
- }
- }
-
- for ; i >= 0; i-- {
- r.Double(&t)
-
- if aSlide[i] > 0 {
- t.ToExtended(&u)
- geAdd(&t, &u, &Ai[aSlide[i]/2])
- } else if aSlide[i] < 0 {
- t.ToExtended(&u)
- geSub(&t, &u, &Ai[(-aSlide[i])/2])
- }
-
- if bSlide[i] > 0 {
- t.ToExtended(&u)
- geMixedAdd(&t, &u, &bi[bSlide[i]/2])
- } else if bSlide[i] < 0 {
- t.ToExtended(&u)
- geMixedSub(&t, &u, &bi[(-bSlide[i])/2])
- }
-
- t.ToProjective(r)
- }
-}
-
-// equal returns 1 if b == c and 0 otherwise, assuming that b and c are
-// non-negative.
-func equal(b, c int32) int32 {
- x := uint32(b ^ c)
- x--
- return int32(x >> 31)
-}
-
-// negative returns 1 if b < 0 and 0 otherwise.
-func negative(b int32) int32 {
- return (b >> 31) & 1
-}
-
-func PreComputedGroupElementCMove(t, u *PreComputedGroupElement, b int32) {
- FeCMove(&t.yPlusX, &u.yPlusX, b)
- FeCMove(&t.yMinusX, &u.yMinusX, b)
- FeCMove(&t.xy2d, &u.xy2d, b)
-}
-
-func selectPoint(t *PreComputedGroupElement, pos int32, b int32) {
- var minusT PreComputedGroupElement
- bNegative := negative(b)
- bAbs := b - (((-bNegative) & b) << 1)
-
- t.Zero()
- for i := int32(0); i < 8; i++ {
- PreComputedGroupElementCMove(t, &base[pos][i], equal(bAbs, i+1))
- }
- FeCopy(&minusT.yPlusX, &t.yMinusX)
- FeCopy(&minusT.yMinusX, &t.yPlusX)
- FeNeg(&minusT.xy2d, &t.xy2d)
- PreComputedGroupElementCMove(t, &minusT, bNegative)
-}
-
-// GeScalarMultBase computes h = a*B, where
-// a = a[0]+256*a[1]+...+256^31 a[31]
-// B is the Ed25519 base point (x,4/5) with x positive.
-//
-// Preconditions:
-// a[31] <= 127
-func GeScalarMultBase(h *ExtendedGroupElement, a *[32]byte) {
- var e [64]int8
-
- for i, v := range a {
- e[2*i] = int8(v & 15)
- e[2*i+1] = int8((v >> 4) & 15)
- }
-
- // each e[i] is between 0 and 15 and e[63] is between 0 and 7.
-
- carry := int8(0)
- for i := 0; i < 63; i++ {
- e[i] += carry
- carry = (e[i] + 8) >> 4
- e[i] -= carry << 4
- }
- e[63] += carry
- // each e[i] is between -8 and 8.
-
- h.Zero()
- var t PreComputedGroupElement
- var r CompletedGroupElement
- for i := int32(1); i < 64; i += 2 {
- selectPoint(&t, i/2, int32(e[i]))
- geMixedAdd(&r, h, &t)
- r.ToExtended(h)
- }
-
- var s ProjectiveGroupElement
-
- h.Double(&r)
- r.ToProjective(&s)
- s.Double(&r)
- r.ToProjective(&s)
- s.Double(&r)
- r.ToProjective(&s)
- s.Double(&r)
- r.ToExtended(h)
-
- for i := int32(0); i < 64; i += 2 {
- selectPoint(&t, i/2, int32(e[i]))
- geMixedAdd(&r, h, &t)
- r.ToExtended(h)
- }
-}
-
-// The scalars are GF(2^252 + 27742317777372353535851937790883648493).
-
-// Input:
-// a[0]+256*a[1]+...+256^31*a[31] = a
-// b[0]+256*b[1]+...+256^31*b[31] = b
-// c[0]+256*c[1]+...+256^31*c[31] = c
-//
-// Output:
-// s[0]+256*s[1]+...+256^31*s[31] = (ab+c) mod l
-// where l = 2^252 + 27742317777372353535851937790883648493.
-func ScMulAdd(s, a, b, c *[32]byte) {
- a0 := 2097151 & load3(a[:])
- a1 := 2097151 & (load4(a[2:]) >> 5)
- a2 := 2097151 & (load3(a[5:]) >> 2)
- a3 := 2097151 & (load4(a[7:]) >> 7)
- a4 := 2097151 & (load4(a[10:]) >> 4)
- a5 := 2097151 & (load3(a[13:]) >> 1)
- a6 := 2097151 & (load4(a[15:]) >> 6)
- a7 := 2097151 & (load3(a[18:]) >> 3)
- a8 := 2097151 & load3(a[21:])
- a9 := 2097151 & (load4(a[23:]) >> 5)
- a10 := 2097151 & (load3(a[26:]) >> 2)
- a11 := (load4(a[28:]) >> 7)
- b0 := 2097151 & load3(b[:])
- b1 := 2097151 & (load4(b[2:]) >> 5)
- b2 := 2097151 & (load3(b[5:]) >> 2)
- b3 := 2097151 & (load4(b[7:]) >> 7)
- b4 := 2097151 & (load4(b[10:]) >> 4)
- b5 := 2097151 & (load3(b[13:]) >> 1)
- b6 := 2097151 & (load4(b[15:]) >> 6)
- b7 := 2097151 & (load3(b[18:]) >> 3)
- b8 := 2097151 & load3(b[21:])
- b9 := 2097151 & (load4(b[23:]) >> 5)
- b10 := 2097151 & (load3(b[26:]) >> 2)
- b11 := (load4(b[28:]) >> 7)
- c0 := 2097151 & load3(c[:])
- c1 := 2097151 & (load4(c[2:]) >> 5)
- c2 := 2097151 & (load3(c[5:]) >> 2)
- c3 := 2097151 & (load4(c[7:]) >> 7)
- c4 := 2097151 & (load4(c[10:]) >> 4)
- c5 := 2097151 & (load3(c[13:]) >> 1)
- c6 := 2097151 & (load4(c[15:]) >> 6)
- c7 := 2097151 & (load3(c[18:]) >> 3)
- c8 := 2097151 & load3(c[21:])
- c9 := 2097151 & (load4(c[23:]) >> 5)
- c10 := 2097151 & (load3(c[26:]) >> 2)
- c11 := (load4(c[28:]) >> 7)
- var carry [23]int64
-
- s0 := c0 + a0*b0
- s1 := c1 + a0*b1 + a1*b0
- s2 := c2 + a0*b2 + a1*b1 + a2*b0
- s3 := c3 + a0*b3 + a1*b2 + a2*b1 + a3*b0
- s4 := c4 + a0*b4 + a1*b3 + a2*b2 + a3*b1 + a4*b0
- s5 := c5 + a0*b5 + a1*b4 + a2*b3 + a3*b2 + a4*b1 + a5*b0
- s6 := c6 + a0*b6 + a1*b5 + a2*b4 + a3*b3 + a4*b2 + a5*b1 + a6*b0
- s7 := c7 + a0*b7 + a1*b6 + a2*b5 + a3*b4 + a4*b3 + a5*b2 + a6*b1 + a7*b0
- s8 := c8 + a0*b8 + a1*b7 + a2*b6 + a3*b5 + a4*b4 + a5*b3 + a6*b2 + a7*b1 + a8*b0
- s9 := c9 + a0*b9 + a1*b8 + a2*b7 + a3*b6 + a4*b5 + a5*b4 + a6*b3 + a7*b2 + a8*b1 + a9*b0
- s10 := c10 + a0*b10 + a1*b9 + a2*b8 + a3*b7 + a4*b6 + a5*b5 + a6*b4 + a7*b3 + a8*b2 + a9*b1 + a10*b0
- s11 := c11 + a0*b11 + a1*b10 + a2*b9 + a3*b8 + a4*b7 + a5*b6 + a6*b5 + a7*b4 + a8*b3 + a9*b2 + a10*b1 + a11*b0
- s12 := a1*b11 + a2*b10 + a3*b9 + a4*b8 + a5*b7 + a6*b6 + a7*b5 + a8*b4 + a9*b3 + a10*b2 + a11*b1
- s13 := a2*b11 + a3*b10 + a4*b9 + a5*b8 + a6*b7 + a7*b6 + a8*b5 + a9*b4 + a10*b3 + a11*b2
- s14 := a3*b11 + a4*b10 + a5*b9 + a6*b8 + a7*b7 + a8*b6 + a9*b5 + a10*b4 + a11*b3
- s15 := a4*b11 + a5*b10 + a6*b9 + a7*b8 + a8*b7 + a9*b6 + a10*b5 + a11*b4
- s16 := a5*b11 + a6*b10 + a7*b9 + a8*b8 + a9*b7 + a10*b6 + a11*b5
- s17 := a6*b11 + a7*b10 + a8*b9 + a9*b8 + a10*b7 + a11*b6
- s18 := a7*b11 + a8*b10 + a9*b9 + a10*b8 + a11*b7
- s19 := a8*b11 + a9*b10 + a10*b9 + a11*b8
- s20 := a9*b11 + a10*b10 + a11*b9
- s21 := a10*b11 + a11*b10
- s22 := a11 * b11
- s23 := int64(0)
-
- carry[0] = (s0 + (1 << 20)) >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[2] = (s2 + (1 << 20)) >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[4] = (s4 + (1 << 20)) >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[6] = (s6 + (1 << 20)) >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[8] = (s8 + (1 << 20)) >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[10] = (s10 + (1 << 20)) >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
- carry[12] = (s12 + (1 << 20)) >> 21
- s13 += carry[12]
- s12 -= carry[12] << 21
- carry[14] = (s14 + (1 << 20)) >> 21
- s15 += carry[14]
- s14 -= carry[14] << 21
- carry[16] = (s16 + (1 << 20)) >> 21
- s17 += carry[16]
- s16 -= carry[16] << 21
- carry[18] = (s18 + (1 << 20)) >> 21
- s19 += carry[18]
- s18 -= carry[18] << 21
- carry[20] = (s20 + (1 << 20)) >> 21
- s21 += carry[20]
- s20 -= carry[20] << 21
- carry[22] = (s22 + (1 << 20)) >> 21
- s23 += carry[22]
- s22 -= carry[22] << 21
-
- carry[1] = (s1 + (1 << 20)) >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[3] = (s3 + (1 << 20)) >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[5] = (s5 + (1 << 20)) >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[7] = (s7 + (1 << 20)) >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[9] = (s9 + (1 << 20)) >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[11] = (s11 + (1 << 20)) >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
- carry[13] = (s13 + (1 << 20)) >> 21
- s14 += carry[13]
- s13 -= carry[13] << 21
- carry[15] = (s15 + (1 << 20)) >> 21
- s16 += carry[15]
- s15 -= carry[15] << 21
- carry[17] = (s17 + (1 << 20)) >> 21
- s18 += carry[17]
- s17 -= carry[17] << 21
- carry[19] = (s19 + (1 << 20)) >> 21
- s20 += carry[19]
- s19 -= carry[19] << 21
- carry[21] = (s21 + (1 << 20)) >> 21
- s22 += carry[21]
- s21 -= carry[21] << 21
-
- s11 += s23 * 666643
- s12 += s23 * 470296
- s13 += s23 * 654183
- s14 -= s23 * 997805
- s15 += s23 * 136657
- s16 -= s23 * 683901
- s23 = 0
-
- s10 += s22 * 666643
- s11 += s22 * 470296
- s12 += s22 * 654183
- s13 -= s22 * 997805
- s14 += s22 * 136657
- s15 -= s22 * 683901
- s22 = 0
-
- s9 += s21 * 666643
- s10 += s21 * 470296
- s11 += s21 * 654183
- s12 -= s21 * 997805
- s13 += s21 * 136657
- s14 -= s21 * 683901
- s21 = 0
-
- s8 += s20 * 666643
- s9 += s20 * 470296
- s10 += s20 * 654183
- s11 -= s20 * 997805
- s12 += s20 * 136657
- s13 -= s20 * 683901
- s20 = 0
-
- s7 += s19 * 666643
- s8 += s19 * 470296
- s9 += s19 * 654183
- s10 -= s19 * 997805
- s11 += s19 * 136657
- s12 -= s19 * 683901
- s19 = 0
-
- s6 += s18 * 666643
- s7 += s18 * 470296
- s8 += s18 * 654183
- s9 -= s18 * 997805
- s10 += s18 * 136657
- s11 -= s18 * 683901
- s18 = 0
-
- carry[6] = (s6 + (1 << 20)) >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[8] = (s8 + (1 << 20)) >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[10] = (s10 + (1 << 20)) >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
- carry[12] = (s12 + (1 << 20)) >> 21
- s13 += carry[12]
- s12 -= carry[12] << 21
- carry[14] = (s14 + (1 << 20)) >> 21
- s15 += carry[14]
- s14 -= carry[14] << 21
- carry[16] = (s16 + (1 << 20)) >> 21
- s17 += carry[16]
- s16 -= carry[16] << 21
-
- carry[7] = (s7 + (1 << 20)) >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[9] = (s9 + (1 << 20)) >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[11] = (s11 + (1 << 20)) >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
- carry[13] = (s13 + (1 << 20)) >> 21
- s14 += carry[13]
- s13 -= carry[13] << 21
- carry[15] = (s15 + (1 << 20)) >> 21
- s16 += carry[15]
- s15 -= carry[15] << 21
-
- s5 += s17 * 666643
- s6 += s17 * 470296
- s7 += s17 * 654183
- s8 -= s17 * 997805
- s9 += s17 * 136657
- s10 -= s17 * 683901
- s17 = 0
-
- s4 += s16 * 666643
- s5 += s16 * 470296
- s6 += s16 * 654183
- s7 -= s16 * 997805
- s8 += s16 * 136657
- s9 -= s16 * 683901
- s16 = 0
-
- s3 += s15 * 666643
- s4 += s15 * 470296
- s5 += s15 * 654183
- s6 -= s15 * 997805
- s7 += s15 * 136657
- s8 -= s15 * 683901
- s15 = 0
-
- s2 += s14 * 666643
- s3 += s14 * 470296
- s4 += s14 * 654183
- s5 -= s14 * 997805
- s6 += s14 * 136657
- s7 -= s14 * 683901
- s14 = 0
-
- s1 += s13 * 666643
- s2 += s13 * 470296
- s3 += s13 * 654183
- s4 -= s13 * 997805
- s5 += s13 * 136657
- s6 -= s13 * 683901
- s13 = 0
-
- s0 += s12 * 666643
- s1 += s12 * 470296
- s2 += s12 * 654183
- s3 -= s12 * 997805
- s4 += s12 * 136657
- s5 -= s12 * 683901
- s12 = 0
-
- carry[0] = (s0 + (1 << 20)) >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[2] = (s2 + (1 << 20)) >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[4] = (s4 + (1 << 20)) >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[6] = (s6 + (1 << 20)) >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[8] = (s8 + (1 << 20)) >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[10] = (s10 + (1 << 20)) >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
-
- carry[1] = (s1 + (1 << 20)) >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[3] = (s3 + (1 << 20)) >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[5] = (s5 + (1 << 20)) >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[7] = (s7 + (1 << 20)) >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[9] = (s9 + (1 << 20)) >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[11] = (s11 + (1 << 20)) >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
-
- s0 += s12 * 666643
- s1 += s12 * 470296
- s2 += s12 * 654183
- s3 -= s12 * 997805
- s4 += s12 * 136657
- s5 -= s12 * 683901
- s12 = 0
-
- carry[0] = s0 >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[1] = s1 >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[2] = s2 >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[3] = s3 >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[4] = s4 >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[5] = s5 >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[6] = s6 >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[7] = s7 >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[8] = s8 >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[9] = s9 >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[10] = s10 >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
- carry[11] = s11 >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
-
- s0 += s12 * 666643
- s1 += s12 * 470296
- s2 += s12 * 654183
- s3 -= s12 * 997805
- s4 += s12 * 136657
- s5 -= s12 * 683901
- s12 = 0
-
- carry[0] = s0 >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[1] = s1 >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[2] = s2 >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[3] = s3 >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[4] = s4 >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[5] = s5 >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[6] = s6 >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[7] = s7 >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[8] = s8 >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[9] = s9 >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[10] = s10 >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
-
- s[0] = byte(s0 >> 0)
- s[1] = byte(s0 >> 8)
- s[2] = byte((s0 >> 16) | (s1 << 5))
- s[3] = byte(s1 >> 3)
- s[4] = byte(s1 >> 11)
- s[5] = byte((s1 >> 19) | (s2 << 2))
- s[6] = byte(s2 >> 6)
- s[7] = byte((s2 >> 14) | (s3 << 7))
- s[8] = byte(s3 >> 1)
- s[9] = byte(s3 >> 9)
- s[10] = byte((s3 >> 17) | (s4 << 4))
- s[11] = byte(s4 >> 4)
- s[12] = byte(s4 >> 12)
- s[13] = byte((s4 >> 20) | (s5 << 1))
- s[14] = byte(s5 >> 7)
- s[15] = byte((s5 >> 15) | (s6 << 6))
- s[16] = byte(s6 >> 2)
- s[17] = byte(s6 >> 10)
- s[18] = byte((s6 >> 18) | (s7 << 3))
- s[19] = byte(s7 >> 5)
- s[20] = byte(s7 >> 13)
- s[21] = byte(s8 >> 0)
- s[22] = byte(s8 >> 8)
- s[23] = byte((s8 >> 16) | (s9 << 5))
- s[24] = byte(s9 >> 3)
- s[25] = byte(s9 >> 11)
- s[26] = byte((s9 >> 19) | (s10 << 2))
- s[27] = byte(s10 >> 6)
- s[28] = byte((s10 >> 14) | (s11 << 7))
- s[29] = byte(s11 >> 1)
- s[30] = byte(s11 >> 9)
- s[31] = byte(s11 >> 17)
-}
-
-// Input:
-// s[0]+256*s[1]+...+256^63*s[63] = s
-//
-// Output:
-// s[0]+256*s[1]+...+256^31*s[31] = s mod l
-// where l = 2^252 + 27742317777372353535851937790883648493.
-func ScReduce(out *[32]byte, s *[64]byte) {
- s0 := 2097151 & load3(s[:])
- s1 := 2097151 & (load4(s[2:]) >> 5)
- s2 := 2097151 & (load3(s[5:]) >> 2)
- s3 := 2097151 & (load4(s[7:]) >> 7)
- s4 := 2097151 & (load4(s[10:]) >> 4)
- s5 := 2097151 & (load3(s[13:]) >> 1)
- s6 := 2097151 & (load4(s[15:]) >> 6)
- s7 := 2097151 & (load3(s[18:]) >> 3)
- s8 := 2097151 & load3(s[21:])
- s9 := 2097151 & (load4(s[23:]) >> 5)
- s10 := 2097151 & (load3(s[26:]) >> 2)
- s11 := 2097151 & (load4(s[28:]) >> 7)
- s12 := 2097151 & (load4(s[31:]) >> 4)
- s13 := 2097151 & (load3(s[34:]) >> 1)
- s14 := 2097151 & (load4(s[36:]) >> 6)
- s15 := 2097151 & (load3(s[39:]) >> 3)
- s16 := 2097151 & load3(s[42:])
- s17 := 2097151 & (load4(s[44:]) >> 5)
- s18 := 2097151 & (load3(s[47:]) >> 2)
- s19 := 2097151 & (load4(s[49:]) >> 7)
- s20 := 2097151 & (load4(s[52:]) >> 4)
- s21 := 2097151 & (load3(s[55:]) >> 1)
- s22 := 2097151 & (load4(s[57:]) >> 6)
- s23 := (load4(s[60:]) >> 3)
-
- s11 += s23 * 666643
- s12 += s23 * 470296
- s13 += s23 * 654183
- s14 -= s23 * 997805
- s15 += s23 * 136657
- s16 -= s23 * 683901
- s23 = 0
-
- s10 += s22 * 666643
- s11 += s22 * 470296
- s12 += s22 * 654183
- s13 -= s22 * 997805
- s14 += s22 * 136657
- s15 -= s22 * 683901
- s22 = 0
-
- s9 += s21 * 666643
- s10 += s21 * 470296
- s11 += s21 * 654183
- s12 -= s21 * 997805
- s13 += s21 * 136657
- s14 -= s21 * 683901
- s21 = 0
-
- s8 += s20 * 666643
- s9 += s20 * 470296
- s10 += s20 * 654183
- s11 -= s20 * 997805
- s12 += s20 * 136657
- s13 -= s20 * 683901
- s20 = 0
-
- s7 += s19 * 666643
- s8 += s19 * 470296
- s9 += s19 * 654183
- s10 -= s19 * 997805
- s11 += s19 * 136657
- s12 -= s19 * 683901
- s19 = 0
-
- s6 += s18 * 666643
- s7 += s18 * 470296
- s8 += s18 * 654183
- s9 -= s18 * 997805
- s10 += s18 * 136657
- s11 -= s18 * 683901
- s18 = 0
-
- var carry [17]int64
-
- carry[6] = (s6 + (1 << 20)) >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[8] = (s8 + (1 << 20)) >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[10] = (s10 + (1 << 20)) >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
- carry[12] = (s12 + (1 << 20)) >> 21
- s13 += carry[12]
- s12 -= carry[12] << 21
- carry[14] = (s14 + (1 << 20)) >> 21
- s15 += carry[14]
- s14 -= carry[14] << 21
- carry[16] = (s16 + (1 << 20)) >> 21
- s17 += carry[16]
- s16 -= carry[16] << 21
-
- carry[7] = (s7 + (1 << 20)) >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[9] = (s9 + (1 << 20)) >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[11] = (s11 + (1 << 20)) >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
- carry[13] = (s13 + (1 << 20)) >> 21
- s14 += carry[13]
- s13 -= carry[13] << 21
- carry[15] = (s15 + (1 << 20)) >> 21
- s16 += carry[15]
- s15 -= carry[15] << 21
-
- s5 += s17 * 666643
- s6 += s17 * 470296
- s7 += s17 * 654183
- s8 -= s17 * 997805
- s9 += s17 * 136657
- s10 -= s17 * 683901
- s17 = 0
-
- s4 += s16 * 666643
- s5 += s16 * 470296
- s6 += s16 * 654183
- s7 -= s16 * 997805
- s8 += s16 * 136657
- s9 -= s16 * 683901
- s16 = 0
-
- s3 += s15 * 666643
- s4 += s15 * 470296
- s5 += s15 * 654183
- s6 -= s15 * 997805
- s7 += s15 * 136657
- s8 -= s15 * 683901
- s15 = 0
-
- s2 += s14 * 666643
- s3 += s14 * 470296
- s4 += s14 * 654183
- s5 -= s14 * 997805
- s6 += s14 * 136657
- s7 -= s14 * 683901
- s14 = 0
-
- s1 += s13 * 666643
- s2 += s13 * 470296
- s3 += s13 * 654183
- s4 -= s13 * 997805
- s5 += s13 * 136657
- s6 -= s13 * 683901
- s13 = 0
-
- s0 += s12 * 666643
- s1 += s12 * 470296
- s2 += s12 * 654183
- s3 -= s12 * 997805
- s4 += s12 * 136657
- s5 -= s12 * 683901
- s12 = 0
-
- carry[0] = (s0 + (1 << 20)) >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[2] = (s2 + (1 << 20)) >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[4] = (s4 + (1 << 20)) >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[6] = (s6 + (1 << 20)) >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[8] = (s8 + (1 << 20)) >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[10] = (s10 + (1 << 20)) >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
-
- carry[1] = (s1 + (1 << 20)) >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[3] = (s3 + (1 << 20)) >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[5] = (s5 + (1 << 20)) >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[7] = (s7 + (1 << 20)) >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[9] = (s9 + (1 << 20)) >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[11] = (s11 + (1 << 20)) >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
-
- s0 += s12 * 666643
- s1 += s12 * 470296
- s2 += s12 * 654183
- s3 -= s12 * 997805
- s4 += s12 * 136657
- s5 -= s12 * 683901
- s12 = 0
-
- carry[0] = s0 >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[1] = s1 >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[2] = s2 >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[3] = s3 >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[4] = s4 >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[5] = s5 >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[6] = s6 >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[7] = s7 >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[8] = s8 >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[9] = s9 >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[10] = s10 >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
- carry[11] = s11 >> 21
- s12 += carry[11]
- s11 -= carry[11] << 21
-
- s0 += s12 * 666643
- s1 += s12 * 470296
- s2 += s12 * 654183
- s3 -= s12 * 997805
- s4 += s12 * 136657
- s5 -= s12 * 683901
- s12 = 0
-
- carry[0] = s0 >> 21
- s1 += carry[0]
- s0 -= carry[0] << 21
- carry[1] = s1 >> 21
- s2 += carry[1]
- s1 -= carry[1] << 21
- carry[2] = s2 >> 21
- s3 += carry[2]
- s2 -= carry[2] << 21
- carry[3] = s3 >> 21
- s4 += carry[3]
- s3 -= carry[3] << 21
- carry[4] = s4 >> 21
- s5 += carry[4]
- s4 -= carry[4] << 21
- carry[5] = s5 >> 21
- s6 += carry[5]
- s5 -= carry[5] << 21
- carry[6] = s6 >> 21
- s7 += carry[6]
- s6 -= carry[6] << 21
- carry[7] = s7 >> 21
- s8 += carry[7]
- s7 -= carry[7] << 21
- carry[8] = s8 >> 21
- s9 += carry[8]
- s8 -= carry[8] << 21
- carry[9] = s9 >> 21
- s10 += carry[9]
- s9 -= carry[9] << 21
- carry[10] = s10 >> 21
- s11 += carry[10]
- s10 -= carry[10] << 21
-
- out[0] = byte(s0 >> 0)
- out[1] = byte(s0 >> 8)
- out[2] = byte((s0 >> 16) | (s1 << 5))
- out[3] = byte(s1 >> 3)
- out[4] = byte(s1 >> 11)
- out[5] = byte((s1 >> 19) | (s2 << 2))
- out[6] = byte(s2 >> 6)
- out[7] = byte((s2 >> 14) | (s3 << 7))
- out[8] = byte(s3 >> 1)
- out[9] = byte(s3 >> 9)
- out[10] = byte((s3 >> 17) | (s4 << 4))
- out[11] = byte(s4 >> 4)
- out[12] = byte(s4 >> 12)
- out[13] = byte((s4 >> 20) | (s5 << 1))
- out[14] = byte(s5 >> 7)
- out[15] = byte((s5 >> 15) | (s6 << 6))
- out[16] = byte(s6 >> 2)
- out[17] = byte(s6 >> 10)
- out[18] = byte((s6 >> 18) | (s7 << 3))
- out[19] = byte(s7 >> 5)
- out[20] = byte(s7 >> 13)
- out[21] = byte(s8 >> 0)
- out[22] = byte(s8 >> 8)
- out[23] = byte((s8 >> 16) | (s9 << 5))
- out[24] = byte(s9 >> 3)
- out[25] = byte(s9 >> 11)
- out[26] = byte((s9 >> 19) | (s10 << 2))
- out[27] = byte(s10 >> 6)
- out[28] = byte((s10 >> 14) | (s11 << 7))
- out[29] = byte(s11 >> 1)
- out[30] = byte(s11 >> 9)
- out[31] = byte(s11 >> 17)
-}
diff --git a/vendor/golang.org/x/crypto/ssh/buffer.go b/vendor/golang.org/x/crypto/ssh/buffer.go
deleted file mode 100644
index 6931b51..0000000
--- a/vendor/golang.org/x/crypto/ssh/buffer.go
+++ /dev/null
@@ -1,98 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "io"
- "sync"
-)
-
-// buffer provides a linked list buffer for data exchange
-// between producer and consumer. Theoretically the buffer is
-// of unlimited capacity as it does no allocation of its own.
-type buffer struct {
- // protects concurrent access to head, tail and closed
- *sync.Cond
-
- head *element // the buffer that will be read first
- tail *element // the buffer that will be read last
-
- closed bool
-}
-
-// An element represents a single link in a linked list.
-type element struct {
- buf []byte
- next *element
-}
-
-// newBuffer returns an empty buffer that is not closed.
-func newBuffer() *buffer {
- e := new(element)
- b := &buffer{
- Cond: newCond(),
- head: e,
- tail: e,
- }
- return b
-}
-
-// write makes buf available for Read to receive.
-// buf must not be modified after the call to write.
-func (b *buffer) write(buf []byte) {
- b.Cond.L.Lock()
- e := &element{buf: buf}
- b.tail.next = e
- b.tail = e
- b.Cond.Signal()
- b.Cond.L.Unlock()
-}
-
-// eof closes the buffer. Reads from the buffer once all
-// the data has been consumed will receive os.EOF.
-func (b *buffer) eof() error {
- b.Cond.L.Lock()
- b.closed = true
- b.Cond.Signal()
- b.Cond.L.Unlock()
- return nil
-}
-
-// Read reads data from the internal buffer in buf. Reads will block
-// if no data is available, or until the buffer is closed.
-func (b *buffer) Read(buf []byte) (n int, err error) {
- b.Cond.L.Lock()
- defer b.Cond.L.Unlock()
-
- for len(buf) > 0 {
- // if there is data in b.head, copy it
- if len(b.head.buf) > 0 {
- r := copy(buf, b.head.buf)
- buf, b.head.buf = buf[r:], b.head.buf[r:]
- n += r
- continue
- }
- // if there is a next buffer, make it the head
- if len(b.head.buf) == 0 && b.head != b.tail {
- b.head = b.head.next
- continue
- }
-
- // if at least one byte has been copied, return
- if n > 0 {
- break
- }
-
- // if nothing was read, and there is nothing outstanding
- // check to see if the buffer is closed.
- if b.closed {
- err = io.EOF
- break
- }
- // out of buffers, wait for producer
- b.Cond.Wait()
- }
- return
-}
diff --git a/vendor/golang.org/x/crypto/ssh/certs.go b/vendor/golang.org/x/crypto/ssh/certs.go
deleted file mode 100644
index 6331c94..0000000
--- a/vendor/golang.org/x/crypto/ssh/certs.go
+++ /dev/null
@@ -1,503 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "bytes"
- "errors"
- "fmt"
- "io"
- "net"
- "sort"
- "time"
-)
-
-// These constants from [PROTOCOL.certkeys] represent the algorithm names
-// for certificate types supported by this package.
-const (
- CertAlgoRSAv01 = "ssh-rsa-cert-v01@openssh.com"
- CertAlgoDSAv01 = "ssh-dss-cert-v01@openssh.com"
- CertAlgoECDSA256v01 = "ecdsa-sha2-nistp256-cert-v01@openssh.com"
- CertAlgoECDSA384v01 = "ecdsa-sha2-nistp384-cert-v01@openssh.com"
- CertAlgoECDSA521v01 = "ecdsa-sha2-nistp521-cert-v01@openssh.com"
- CertAlgoED25519v01 = "ssh-ed25519-cert-v01@openssh.com"
-)
-
-// Certificate types distinguish between host and user
-// certificates. The values can be set in the CertType field of
-// Certificate.
-const (
- UserCert = 1
- HostCert = 2
-)
-
-// Signature represents a cryptographic signature.
-type Signature struct {
- Format string
- Blob []byte
-}
-
-// CertTimeInfinity can be used for OpenSSHCertV01.ValidBefore to indicate that
-// a certificate does not expire.
-const CertTimeInfinity = 1<<64 - 1
-
-// An Certificate represents an OpenSSH certificate as defined in
-// [PROTOCOL.certkeys]?rev=1.8.
-type Certificate struct {
- Nonce []byte
- Key PublicKey
- Serial uint64
- CertType uint32
- KeyId string
- ValidPrincipals []string
- ValidAfter uint64
- ValidBefore uint64
- Permissions
- Reserved []byte
- SignatureKey PublicKey
- Signature *Signature
-}
-
-// genericCertData holds the key-independent part of the certificate data.
-// Overall, certificates contain an nonce, public key fields and
-// key-independent fields.
-type genericCertData struct {
- Serial uint64
- CertType uint32
- KeyId string
- ValidPrincipals []byte
- ValidAfter uint64
- ValidBefore uint64
- CriticalOptions []byte
- Extensions []byte
- Reserved []byte
- SignatureKey []byte
- Signature []byte
-}
-
-func marshalStringList(namelist []string) []byte {
- var to []byte
- for _, name := range namelist {
- s := struct{ N string }{name}
- to = append(to, Marshal(&s)...)
- }
- return to
-}
-
-type optionsTuple struct {
- Key string
- Value []byte
-}
-
-type optionsTupleValue struct {
- Value string
-}
-
-// serialize a map of critical options or extensions
-// issue #10569 - per [PROTOCOL.certkeys] and SSH implementation,
-// we need two length prefixes for a non-empty string value
-func marshalTuples(tups map[string]string) []byte {
- keys := make([]string, 0, len(tups))
- for key := range tups {
- keys = append(keys, key)
- }
- sort.Strings(keys)
-
- var ret []byte
- for _, key := range keys {
- s := optionsTuple{Key: key}
- if value := tups[key]; len(value) > 0 {
- s.Value = Marshal(&optionsTupleValue{value})
- }
- ret = append(ret, Marshal(&s)...)
- }
- return ret
-}
-
-// issue #10569 - per [PROTOCOL.certkeys] and SSH implementation,
-// we need two length prefixes for a non-empty option value
-func parseTuples(in []byte) (map[string]string, error) {
- tups := map[string]string{}
- var lastKey string
- var haveLastKey bool
-
- for len(in) > 0 {
- var key, val, extra []byte
- var ok bool
-
- if key, in, ok = parseString(in); !ok {
- return nil, errShortRead
- }
- keyStr := string(key)
- // according to [PROTOCOL.certkeys], the names must be in
- // lexical order.
- if haveLastKey && keyStr <= lastKey {
- return nil, fmt.Errorf("ssh: certificate options are not in lexical order")
- }
- lastKey, haveLastKey = keyStr, true
- // the next field is a data field, which if non-empty has a string embedded
- if val, in, ok = parseString(in); !ok {
- return nil, errShortRead
- }
- if len(val) > 0 {
- val, extra, ok = parseString(val)
- if !ok {
- return nil, errShortRead
- }
- if len(extra) > 0 {
- return nil, fmt.Errorf("ssh: unexpected trailing data after certificate option value")
- }
- tups[keyStr] = string(val)
- } else {
- tups[keyStr] = ""
- }
- }
- return tups, nil
-}
-
-func parseCert(in []byte, privAlgo string) (*Certificate, error) {
- nonce, rest, ok := parseString(in)
- if !ok {
- return nil, errShortRead
- }
-
- key, rest, err := parsePubKey(rest, privAlgo)
- if err != nil {
- return nil, err
- }
-
- var g genericCertData
- if err := Unmarshal(rest, &g); err != nil {
- return nil, err
- }
-
- c := &Certificate{
- Nonce: nonce,
- Key: key,
- Serial: g.Serial,
- CertType: g.CertType,
- KeyId: g.KeyId,
- ValidAfter: g.ValidAfter,
- ValidBefore: g.ValidBefore,
- }
-
- for principals := g.ValidPrincipals; len(principals) > 0; {
- principal, rest, ok := parseString(principals)
- if !ok {
- return nil, errShortRead
- }
- c.ValidPrincipals = append(c.ValidPrincipals, string(principal))
- principals = rest
- }
-
- c.CriticalOptions, err = parseTuples(g.CriticalOptions)
- if err != nil {
- return nil, err
- }
- c.Extensions, err = parseTuples(g.Extensions)
- if err != nil {
- return nil, err
- }
- c.Reserved = g.Reserved
- k, err := ParsePublicKey(g.SignatureKey)
- if err != nil {
- return nil, err
- }
-
- c.SignatureKey = k
- c.Signature, rest, ok = parseSignatureBody(g.Signature)
- if !ok || len(rest) > 0 {
- return nil, errors.New("ssh: signature parse error")
- }
-
- return c, nil
-}
-
-type openSSHCertSigner struct {
- pub *Certificate
- signer Signer
-}
-
-// NewCertSigner returns a Signer that signs with the given Certificate, whose
-// private key is held by signer. It returns an error if the public key in cert
-// doesn't match the key used by signer.
-func NewCertSigner(cert *Certificate, signer Signer) (Signer, error) {
- if bytes.Compare(cert.Key.Marshal(), signer.PublicKey().Marshal()) != 0 {
- return nil, errors.New("ssh: signer and cert have different public key")
- }
-
- return &openSSHCertSigner{cert, signer}, nil
-}
-
-func (s *openSSHCertSigner) Sign(rand io.Reader, data []byte) (*Signature, error) {
- return s.signer.Sign(rand, data)
-}
-
-func (s *openSSHCertSigner) PublicKey() PublicKey {
- return s.pub
-}
-
-const sourceAddressCriticalOption = "source-address"
-
-// CertChecker does the work of verifying a certificate. Its methods
-// can be plugged into ClientConfig.HostKeyCallback and
-// ServerConfig.PublicKeyCallback. For the CertChecker to work,
-// minimally, the IsAuthority callback should be set.
-type CertChecker struct {
- // SupportedCriticalOptions lists the CriticalOptions that the
- // server application layer understands. These are only used
- // for user certificates.
- SupportedCriticalOptions []string
-
- // IsAuthority should return true if the key is recognized as
- // an authority. This allows for certificates to be signed by other
- // certificates.
- IsAuthority func(auth PublicKey) bool
-
- // Clock is used for verifying time stamps. If nil, time.Now
- // is used.
- Clock func() time.Time
-
- // UserKeyFallback is called when CertChecker.Authenticate encounters a
- // public key that is not a certificate. It must implement validation
- // of user keys or else, if nil, all such keys are rejected.
- UserKeyFallback func(conn ConnMetadata, key PublicKey) (*Permissions, error)
-
- // HostKeyFallback is called when CertChecker.CheckHostKey encounters a
- // public key that is not a certificate. It must implement host key
- // validation or else, if nil, all such keys are rejected.
- HostKeyFallback func(addr string, remote net.Addr, key PublicKey) error
-
- // IsRevoked is called for each certificate so that revocation checking
- // can be implemented. It should return true if the given certificate
- // is revoked and false otherwise. If nil, no certificates are
- // considered to have been revoked.
- IsRevoked func(cert *Certificate) bool
-}
-
-// CheckHostKey checks a host key certificate. This method can be
-// plugged into ClientConfig.HostKeyCallback.
-func (c *CertChecker) CheckHostKey(addr string, remote net.Addr, key PublicKey) error {
- cert, ok := key.(*Certificate)
- if !ok {
- if c.HostKeyFallback != nil {
- return c.HostKeyFallback(addr, remote, key)
- }
- return errors.New("ssh: non-certificate host key")
- }
- if cert.CertType != HostCert {
- return fmt.Errorf("ssh: certificate presented as a host key has type %d", cert.CertType)
- }
-
- return c.CheckCert(addr, cert)
-}
-
-// Authenticate checks a user certificate. Authenticate can be used as
-// a value for ServerConfig.PublicKeyCallback.
-func (c *CertChecker) Authenticate(conn ConnMetadata, pubKey PublicKey) (*Permissions, error) {
- cert, ok := pubKey.(*Certificate)
- if !ok {
- if c.UserKeyFallback != nil {
- return c.UserKeyFallback(conn, pubKey)
- }
- return nil, errors.New("ssh: normal key pairs not accepted")
- }
-
- if cert.CertType != UserCert {
- return nil, fmt.Errorf("ssh: cert has type %d", cert.CertType)
- }
-
- if err := c.CheckCert(conn.User(), cert); err != nil {
- return nil, err
- }
-
- return &cert.Permissions, nil
-}
-
-// CheckCert checks CriticalOptions, ValidPrincipals, revocation, timestamp and
-// the signature of the certificate.
-func (c *CertChecker) CheckCert(principal string, cert *Certificate) error {
- if c.IsRevoked != nil && c.IsRevoked(cert) {
- return fmt.Errorf("ssh: certicate serial %d revoked", cert.Serial)
- }
-
- for opt, _ := range cert.CriticalOptions {
- // sourceAddressCriticalOption will be enforced by
- // serverAuthenticate
- if opt == sourceAddressCriticalOption {
- continue
- }
-
- found := false
- for _, supp := range c.SupportedCriticalOptions {
- if supp == opt {
- found = true
- break
- }
- }
- if !found {
- return fmt.Errorf("ssh: unsupported critical option %q in certificate", opt)
- }
- }
-
- if len(cert.ValidPrincipals) > 0 {
- // By default, certs are valid for all users/hosts.
- found := false
- for _, p := range cert.ValidPrincipals {
- if p == principal {
- found = true
- break
- }
- }
- if !found {
- return fmt.Errorf("ssh: principal %q not in the set of valid principals for given certificate: %q", principal, cert.ValidPrincipals)
- }
- }
-
- if !c.IsAuthority(cert.SignatureKey) {
- return fmt.Errorf("ssh: certificate signed by unrecognized authority")
- }
-
- clock := c.Clock
- if clock == nil {
- clock = time.Now
- }
-
- unixNow := clock().Unix()
- if after := int64(cert.ValidAfter); after < 0 || unixNow < int64(cert.ValidAfter) {
- return fmt.Errorf("ssh: cert is not yet valid")
- }
- if before := int64(cert.ValidBefore); cert.ValidBefore != uint64(CertTimeInfinity) && (unixNow >= before || before < 0) {
- return fmt.Errorf("ssh: cert has expired")
- }
- if err := cert.SignatureKey.Verify(cert.bytesForSigning(), cert.Signature); err != nil {
- return fmt.Errorf("ssh: certificate signature does not verify")
- }
-
- return nil
-}
-
-// SignCert sets c.SignatureKey to the authority's public key and stores a
-// Signature, by authority, in the certificate.
-func (c *Certificate) SignCert(rand io.Reader, authority Signer) error {
- c.Nonce = make([]byte, 32)
- if _, err := io.ReadFull(rand, c.Nonce); err != nil {
- return err
- }
- c.SignatureKey = authority.PublicKey()
-
- sig, err := authority.Sign(rand, c.bytesForSigning())
- if err != nil {
- return err
- }
- c.Signature = sig
- return nil
-}
-
-var certAlgoNames = map[string]string{
- KeyAlgoRSA: CertAlgoRSAv01,
- KeyAlgoDSA: CertAlgoDSAv01,
- KeyAlgoECDSA256: CertAlgoECDSA256v01,
- KeyAlgoECDSA384: CertAlgoECDSA384v01,
- KeyAlgoECDSA521: CertAlgoECDSA521v01,
- KeyAlgoED25519: CertAlgoED25519v01,
-}
-
-// certToPrivAlgo returns the underlying algorithm for a certificate algorithm.
-// Panics if a non-certificate algorithm is passed.
-func certToPrivAlgo(algo string) string {
- for privAlgo, pubAlgo := range certAlgoNames {
- if pubAlgo == algo {
- return privAlgo
- }
- }
- panic("unknown cert algorithm")
-}
-
-func (cert *Certificate) bytesForSigning() []byte {
- c2 := *cert
- c2.Signature = nil
- out := c2.Marshal()
- // Drop trailing signature length.
- return out[:len(out)-4]
-}
-
-// Marshal serializes c into OpenSSH's wire format. It is part of the
-// PublicKey interface.
-func (c *Certificate) Marshal() []byte {
- generic := genericCertData{
- Serial: c.Serial,
- CertType: c.CertType,
- KeyId: c.KeyId,
- ValidPrincipals: marshalStringList(c.ValidPrincipals),
- ValidAfter: uint64(c.ValidAfter),
- ValidBefore: uint64(c.ValidBefore),
- CriticalOptions: marshalTuples(c.CriticalOptions),
- Extensions: marshalTuples(c.Extensions),
- Reserved: c.Reserved,
- SignatureKey: c.SignatureKey.Marshal(),
- }
- if c.Signature != nil {
- generic.Signature = Marshal(c.Signature)
- }
- genericBytes := Marshal(&generic)
- keyBytes := c.Key.Marshal()
- _, keyBytes, _ = parseString(keyBytes)
- prefix := Marshal(&struct {
- Name string
- Nonce []byte
- Key []byte `ssh:"rest"`
- }{c.Type(), c.Nonce, keyBytes})
-
- result := make([]byte, 0, len(prefix)+len(genericBytes))
- result = append(result, prefix...)
- result = append(result, genericBytes...)
- return result
-}
-
-// Type returns the key name. It is part of the PublicKey interface.
-func (c *Certificate) Type() string {
- algo, ok := certAlgoNames[c.Key.Type()]
- if !ok {
- panic("unknown cert key type " + c.Key.Type())
- }
- return algo
-}
-
-// Verify verifies a signature against the certificate's public
-// key. It is part of the PublicKey interface.
-func (c *Certificate) Verify(data []byte, sig *Signature) error {
- return c.Key.Verify(data, sig)
-}
-
-func parseSignatureBody(in []byte) (out *Signature, rest []byte, ok bool) {
- format, in, ok := parseString(in)
- if !ok {
- return
- }
-
- out = &Signature{
- Format: string(format),
- }
-
- if out.Blob, in, ok = parseString(in); !ok {
- return
- }
-
- return out, in, ok
-}
-
-func parseSignature(in []byte) (out *Signature, rest []byte, ok bool) {
- sigBytes, rest, ok := parseString(in)
- if !ok {
- return
- }
-
- out, trailing, ok := parseSignatureBody(sigBytes)
- if !ok || len(trailing) > 0 {
- return nil, nil, false
- }
- return
-}
diff --git a/vendor/golang.org/x/crypto/ssh/channel.go b/vendor/golang.org/x/crypto/ssh/channel.go
deleted file mode 100644
index 6d709b5..0000000
--- a/vendor/golang.org/x/crypto/ssh/channel.go
+++ /dev/null
@@ -1,633 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "encoding/binary"
- "errors"
- "fmt"
- "io"
- "log"
- "sync"
-)
-
-const (
- minPacketLength = 9
- // channelMaxPacket contains the maximum number of bytes that will be
- // sent in a single packet. As per RFC 4253, section 6.1, 32k is also
- // the minimum.
- channelMaxPacket = 1 << 15
- // We follow OpenSSH here.
- channelWindowSize = 64 * channelMaxPacket
-)
-
-// NewChannel represents an incoming request to a channel. It must either be
-// accepted for use by calling Accept, or rejected by calling Reject.
-type NewChannel interface {
- // Accept accepts the channel creation request. It returns the Channel
- // and a Go channel containing SSH requests. The Go channel must be
- // serviced otherwise the Channel will hang.
- Accept() (Channel, <-chan *Request, error)
-
- // Reject rejects the channel creation request. After calling
- // this, no other methods on the Channel may be called.
- Reject(reason RejectionReason, message string) error
-
- // ChannelType returns the type of the channel, as supplied by the
- // client.
- ChannelType() string
-
- // ExtraData returns the arbitrary payload for this channel, as supplied
- // by the client. This data is specific to the channel type.
- ExtraData() []byte
-}
-
-// A Channel is an ordered, reliable, flow-controlled, duplex stream
-// that is multiplexed over an SSH connection.
-type Channel interface {
- // Read reads up to len(data) bytes from the channel.
- Read(data []byte) (int, error)
-
- // Write writes len(data) bytes to the channel.
- Write(data []byte) (int, error)
-
- // Close signals end of channel use. No data may be sent after this
- // call.
- Close() error
-
- // CloseWrite signals the end of sending in-band
- // data. Requests may still be sent, and the other side may
- // still send data
- CloseWrite() error
-
- // SendRequest sends a channel request. If wantReply is true,
- // it will wait for a reply and return the result as a
- // boolean, otherwise the return value will be false. Channel
- // requests are out-of-band messages so they may be sent even
- // if the data stream is closed or blocked by flow control.
- // If the channel is closed before a reply is returned, io.EOF
- // is returned.
- SendRequest(name string, wantReply bool, payload []byte) (bool, error)
-
- // Stderr returns an io.ReadWriter that writes to this channel
- // with the extended data type set to stderr. Stderr may
- // safely be read and written from a different goroutine than
- // Read and Write respectively.
- Stderr() io.ReadWriter
-}
-
-// Request is a request sent outside of the normal stream of
-// data. Requests can either be specific to an SSH channel, or they
-// can be global.
-type Request struct {
- Type string
- WantReply bool
- Payload []byte
-
- ch *channel
- mux *mux
-}
-
-// Reply sends a response to a request. It must be called for all requests
-// where WantReply is true and is a no-op otherwise. The payload argument is
-// ignored for replies to channel-specific requests.
-func (r *Request) Reply(ok bool, payload []byte) error {
- if !r.WantReply {
- return nil
- }
-
- if r.ch == nil {
- return r.mux.ackRequest(ok, payload)
- }
-
- return r.ch.ackRequest(ok)
-}
-
-// RejectionReason is an enumeration used when rejecting channel creation
-// requests. See RFC 4254, section 5.1.
-type RejectionReason uint32
-
-const (
- Prohibited RejectionReason = iota + 1
- ConnectionFailed
- UnknownChannelType
- ResourceShortage
-)
-
-// String converts the rejection reason to human readable form.
-func (r RejectionReason) String() string {
- switch r {
- case Prohibited:
- return "administratively prohibited"
- case ConnectionFailed:
- return "connect failed"
- case UnknownChannelType:
- return "unknown channel type"
- case ResourceShortage:
- return "resource shortage"
- }
- return fmt.Sprintf("unknown reason %d", int(r))
-}
-
-func min(a uint32, b int) uint32 {
- if a < uint32(b) {
- return a
- }
- return uint32(b)
-}
-
-type channelDirection uint8
-
-const (
- channelInbound channelDirection = iota
- channelOutbound
-)
-
-// channel is an implementation of the Channel interface that works
-// with the mux class.
-type channel struct {
- // R/O after creation
- chanType string
- extraData []byte
- localId, remoteId uint32
-
- // maxIncomingPayload and maxRemotePayload are the maximum
- // payload sizes of normal and extended data packets for
- // receiving and sending, respectively. The wire packet will
- // be 9 or 13 bytes larger (excluding encryption overhead).
- maxIncomingPayload uint32
- maxRemotePayload uint32
-
- mux *mux
-
- // decided is set to true if an accept or reject message has been sent
- // (for outbound channels) or received (for inbound channels).
- decided bool
-
- // direction contains either channelOutbound, for channels created
- // locally, or channelInbound, for channels created by the peer.
- direction channelDirection
-
- // Pending internal channel messages.
- msg chan interface{}
-
- // Since requests have no ID, there can be only one request
- // with WantReply=true outstanding. This lock is held by a
- // goroutine that has such an outgoing request pending.
- sentRequestMu sync.Mutex
-
- incomingRequests chan *Request
-
- sentEOF bool
-
- // thread-safe data
- remoteWin window
- pending *buffer
- extPending *buffer
-
- // windowMu protects myWindow, the flow-control window.
- windowMu sync.Mutex
- myWindow uint32
-
- // writeMu serializes calls to mux.conn.writePacket() and
- // protects sentClose and packetPool. This mutex must be
- // different from windowMu, as writePacket can block if there
- // is a key exchange pending.
- writeMu sync.Mutex
- sentClose bool
-
- // packetPool has a buffer for each extended channel ID to
- // save allocations during writes.
- packetPool map[uint32][]byte
-}
-
-// writePacket sends a packet. If the packet is a channel close, it updates
-// sentClose. This method takes the lock c.writeMu.
-func (c *channel) writePacket(packet []byte) error {
- c.writeMu.Lock()
- if c.sentClose {
- c.writeMu.Unlock()
- return io.EOF
- }
- c.sentClose = (packet[0] == msgChannelClose)
- err := c.mux.conn.writePacket(packet)
- c.writeMu.Unlock()
- return err
-}
-
-func (c *channel) sendMessage(msg interface{}) error {
- if debugMux {
- log.Printf("send(%d): %#v", c.mux.chanList.offset, msg)
- }
-
- p := Marshal(msg)
- binary.BigEndian.PutUint32(p[1:], c.remoteId)
- return c.writePacket(p)
-}
-
-// WriteExtended writes data to a specific extended stream. These streams are
-// used, for example, for stderr.
-func (c *channel) WriteExtended(data []byte, extendedCode uint32) (n int, err error) {
- if c.sentEOF {
- return 0, io.EOF
- }
- // 1 byte message type, 4 bytes remoteId, 4 bytes data length
- opCode := byte(msgChannelData)
- headerLength := uint32(9)
- if extendedCode > 0 {
- headerLength += 4
- opCode = msgChannelExtendedData
- }
-
- c.writeMu.Lock()
- packet := c.packetPool[extendedCode]
- // We don't remove the buffer from packetPool, so
- // WriteExtended calls from different goroutines will be
- // flagged as errors by the race detector.
- c.writeMu.Unlock()
-
- for len(data) > 0 {
- space := min(c.maxRemotePayload, len(data))
- if space, err = c.remoteWin.reserve(space); err != nil {
- return n, err
- }
- if want := headerLength + space; uint32(cap(packet)) < want {
- packet = make([]byte, want)
- } else {
- packet = packet[:want]
- }
-
- todo := data[:space]
-
- packet[0] = opCode
- binary.BigEndian.PutUint32(packet[1:], c.remoteId)
- if extendedCode > 0 {
- binary.BigEndian.PutUint32(packet[5:], uint32(extendedCode))
- }
- binary.BigEndian.PutUint32(packet[headerLength-4:], uint32(len(todo)))
- copy(packet[headerLength:], todo)
- if err = c.writePacket(packet); err != nil {
- return n, err
- }
-
- n += len(todo)
- data = data[len(todo):]
- }
-
- c.writeMu.Lock()
- c.packetPool[extendedCode] = packet
- c.writeMu.Unlock()
-
- return n, err
-}
-
-func (c *channel) handleData(packet []byte) error {
- headerLen := 9
- isExtendedData := packet[0] == msgChannelExtendedData
- if isExtendedData {
- headerLen = 13
- }
- if len(packet) < headerLen {
- // malformed data packet
- return parseError(packet[0])
- }
-
- var extended uint32
- if isExtendedData {
- extended = binary.BigEndian.Uint32(packet[5:])
- }
-
- length := binary.BigEndian.Uint32(packet[headerLen-4 : headerLen])
- if length == 0 {
- return nil
- }
- if length > c.maxIncomingPayload {
- // TODO(hanwen): should send Disconnect?
- return errors.New("ssh: incoming packet exceeds maximum payload size")
- }
-
- data := packet[headerLen:]
- if length != uint32(len(data)) {
- return errors.New("ssh: wrong packet length")
- }
-
- c.windowMu.Lock()
- if c.myWindow < length {
- c.windowMu.Unlock()
- // TODO(hanwen): should send Disconnect with reason?
- return errors.New("ssh: remote side wrote too much")
- }
- c.myWindow -= length
- c.windowMu.Unlock()
-
- if extended == 1 {
- c.extPending.write(data)
- } else if extended > 0 {
- // discard other extended data.
- } else {
- c.pending.write(data)
- }
- return nil
-}
-
-func (c *channel) adjustWindow(n uint32) error {
- c.windowMu.Lock()
- // Since myWindow is managed on our side, and can never exceed
- // the initial window setting, we don't worry about overflow.
- c.myWindow += uint32(n)
- c.windowMu.Unlock()
- return c.sendMessage(windowAdjustMsg{
- AdditionalBytes: uint32(n),
- })
-}
-
-func (c *channel) ReadExtended(data []byte, extended uint32) (n int, err error) {
- switch extended {
- case 1:
- n, err = c.extPending.Read(data)
- case 0:
- n, err = c.pending.Read(data)
- default:
- return 0, fmt.Errorf("ssh: extended code %d unimplemented", extended)
- }
-
- if n > 0 {
- err = c.adjustWindow(uint32(n))
- // sendWindowAdjust can return io.EOF if the remote
- // peer has closed the connection, however we want to
- // defer forwarding io.EOF to the caller of Read until
- // the buffer has been drained.
- if n > 0 && err == io.EOF {
- err = nil
- }
- }
-
- return n, err
-}
-
-func (c *channel) close() {
- c.pending.eof()
- c.extPending.eof()
- close(c.msg)
- close(c.incomingRequests)
- c.writeMu.Lock()
- // This is not necessary for a normal channel teardown, but if
- // there was another error, it is.
- c.sentClose = true
- c.writeMu.Unlock()
- // Unblock writers.
- c.remoteWin.close()
-}
-
-// responseMessageReceived is called when a success or failure message is
-// received on a channel to check that such a message is reasonable for the
-// given channel.
-func (c *channel) responseMessageReceived() error {
- if c.direction == channelInbound {
- return errors.New("ssh: channel response message received on inbound channel")
- }
- if c.decided {
- return errors.New("ssh: duplicate response received for channel")
- }
- c.decided = true
- return nil
-}
-
-func (c *channel) handlePacket(packet []byte) error {
- switch packet[0] {
- case msgChannelData, msgChannelExtendedData:
- return c.handleData(packet)
- case msgChannelClose:
- c.sendMessage(channelCloseMsg{PeersId: c.remoteId})
- c.mux.chanList.remove(c.localId)
- c.close()
- return nil
- case msgChannelEOF:
- // RFC 4254 is mute on how EOF affects dataExt messages but
- // it is logical to signal EOF at the same time.
- c.extPending.eof()
- c.pending.eof()
- return nil
- }
-
- decoded, err := decode(packet)
- if err != nil {
- return err
- }
-
- switch msg := decoded.(type) {
- case *channelOpenFailureMsg:
- if err := c.responseMessageReceived(); err != nil {
- return err
- }
- c.mux.chanList.remove(msg.PeersId)
- c.msg <- msg
- case *channelOpenConfirmMsg:
- if err := c.responseMessageReceived(); err != nil {
- return err
- }
- if msg.MaxPacketSize < minPacketLength || msg.MaxPacketSize > 1<<31 {
- return fmt.Errorf("ssh: invalid MaxPacketSize %d from peer", msg.MaxPacketSize)
- }
- c.remoteId = msg.MyId
- c.maxRemotePayload = msg.MaxPacketSize
- c.remoteWin.add(msg.MyWindow)
- c.msg <- msg
- case *windowAdjustMsg:
- if !c.remoteWin.add(msg.AdditionalBytes) {
- return fmt.Errorf("ssh: invalid window update for %d bytes", msg.AdditionalBytes)
- }
- case *channelRequestMsg:
- req := Request{
- Type: msg.Request,
- WantReply: msg.WantReply,
- Payload: msg.RequestSpecificData,
- ch: c,
- }
-
- c.incomingRequests <- &req
- default:
- c.msg <- msg
- }
- return nil
-}
-
-func (m *mux) newChannel(chanType string, direction channelDirection, extraData []byte) *channel {
- ch := &channel{
- remoteWin: window{Cond: newCond()},
- myWindow: channelWindowSize,
- pending: newBuffer(),
- extPending: newBuffer(),
- direction: direction,
- incomingRequests: make(chan *Request, 16),
- msg: make(chan interface{}, 16),
- chanType: chanType,
- extraData: extraData,
- mux: m,
- packetPool: make(map[uint32][]byte),
- }
- ch.localId = m.chanList.add(ch)
- return ch
-}
-
-var errUndecided = errors.New("ssh: must Accept or Reject channel")
-var errDecidedAlready = errors.New("ssh: can call Accept or Reject only once")
-
-type extChannel struct {
- code uint32
- ch *channel
-}
-
-func (e *extChannel) Write(data []byte) (n int, err error) {
- return e.ch.WriteExtended(data, e.code)
-}
-
-func (e *extChannel) Read(data []byte) (n int, err error) {
- return e.ch.ReadExtended(data, e.code)
-}
-
-func (c *channel) Accept() (Channel, <-chan *Request, error) {
- if c.decided {
- return nil, nil, errDecidedAlready
- }
- c.maxIncomingPayload = channelMaxPacket
- confirm := channelOpenConfirmMsg{
- PeersId: c.remoteId,
- MyId: c.localId,
- MyWindow: c.myWindow,
- MaxPacketSize: c.maxIncomingPayload,
- }
- c.decided = true
- if err := c.sendMessage(confirm); err != nil {
- return nil, nil, err
- }
-
- return c, c.incomingRequests, nil
-}
-
-func (ch *channel) Reject(reason RejectionReason, message string) error {
- if ch.decided {
- return errDecidedAlready
- }
- reject := channelOpenFailureMsg{
- PeersId: ch.remoteId,
- Reason: reason,
- Message: message,
- Language: "en",
- }
- ch.decided = true
- return ch.sendMessage(reject)
-}
-
-func (ch *channel) Read(data []byte) (int, error) {
- if !ch.decided {
- return 0, errUndecided
- }
- return ch.ReadExtended(data, 0)
-}
-
-func (ch *channel) Write(data []byte) (int, error) {
- if !ch.decided {
- return 0, errUndecided
- }
- return ch.WriteExtended(data, 0)
-}
-
-func (ch *channel) CloseWrite() error {
- if !ch.decided {
- return errUndecided
- }
- ch.sentEOF = true
- return ch.sendMessage(channelEOFMsg{
- PeersId: ch.remoteId})
-}
-
-func (ch *channel) Close() error {
- if !ch.decided {
- return errUndecided
- }
-
- return ch.sendMessage(channelCloseMsg{
- PeersId: ch.remoteId})
-}
-
-// Extended returns an io.ReadWriter that sends and receives data on the given,
-// SSH extended stream. Such streams are used, for example, for stderr.
-func (ch *channel) Extended(code uint32) io.ReadWriter {
- if !ch.decided {
- return nil
- }
- return &extChannel{code, ch}
-}
-
-func (ch *channel) Stderr() io.ReadWriter {
- return ch.Extended(1)
-}
-
-func (ch *channel) SendRequest(name string, wantReply bool, payload []byte) (bool, error) {
- if !ch.decided {
- return false, errUndecided
- }
-
- if wantReply {
- ch.sentRequestMu.Lock()
- defer ch.sentRequestMu.Unlock()
- }
-
- msg := channelRequestMsg{
- PeersId: ch.remoteId,
- Request: name,
- WantReply: wantReply,
- RequestSpecificData: payload,
- }
-
- if err := ch.sendMessage(msg); err != nil {
- return false, err
- }
-
- if wantReply {
- m, ok := (<-ch.msg)
- if !ok {
- return false, io.EOF
- }
- switch m.(type) {
- case *channelRequestFailureMsg:
- return false, nil
- case *channelRequestSuccessMsg:
- return true, nil
- default:
- return false, fmt.Errorf("ssh: unexpected response to channel request: %#v", m)
- }
- }
-
- return false, nil
-}
-
-// ackRequest either sends an ack or nack to the channel request.
-func (ch *channel) ackRequest(ok bool) error {
- if !ch.decided {
- return errUndecided
- }
-
- var msg interface{}
- if !ok {
- msg = channelRequestFailureMsg{
- PeersId: ch.remoteId,
- }
- } else {
- msg = channelRequestSuccessMsg{
- PeersId: ch.remoteId,
- }
- }
- return ch.sendMessage(msg)
-}
-
-func (ch *channel) ChannelType() string {
- return ch.chanType
-}
-
-func (ch *channel) ExtraData() []byte {
- return ch.extraData
-}
diff --git a/vendor/golang.org/x/crypto/ssh/cipher.go b/vendor/golang.org/x/crypto/ssh/cipher.go
deleted file mode 100644
index 34d3917..0000000
--- a/vendor/golang.org/x/crypto/ssh/cipher.go
+++ /dev/null
@@ -1,579 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "crypto/aes"
- "crypto/cipher"
- "crypto/des"
- "crypto/rc4"
- "crypto/subtle"
- "encoding/binary"
- "errors"
- "fmt"
- "hash"
- "io"
- "io/ioutil"
-)
-
-const (
- packetSizeMultiple = 16 // TODO(huin) this should be determined by the cipher.
-
- // RFC 4253 section 6.1 defines a minimum packet size of 32768 that implementations
- // MUST be able to process (plus a few more kilobytes for padding and mac). The RFC
- // indicates implementations SHOULD be able to handle larger packet sizes, but then
- // waffles on about reasonable limits.
- //
- // OpenSSH caps their maxPacket at 256kB so we choose to do
- // the same. maxPacket is also used to ensure that uint32
- // length fields do not overflow, so it should remain well
- // below 4G.
- maxPacket = 256 * 1024
-)
-
-// noneCipher implements cipher.Stream and provides no encryption. It is used
-// by the transport before the first key-exchange.
-type noneCipher struct{}
-
-func (c noneCipher) XORKeyStream(dst, src []byte) {
- copy(dst, src)
-}
-
-func newAESCTR(key, iv []byte) (cipher.Stream, error) {
- c, err := aes.NewCipher(key)
- if err != nil {
- return nil, err
- }
- return cipher.NewCTR(c, iv), nil
-}
-
-func newRC4(key, iv []byte) (cipher.Stream, error) {
- return rc4.NewCipher(key)
-}
-
-type streamCipherMode struct {
- keySize int
- ivSize int
- skip int
- createFunc func(key, iv []byte) (cipher.Stream, error)
-}
-
-func (c *streamCipherMode) createStream(key, iv []byte) (cipher.Stream, error) {
- if len(key) < c.keySize {
- panic("ssh: key length too small for cipher")
- }
- if len(iv) < c.ivSize {
- panic("ssh: iv too small for cipher")
- }
-
- stream, err := c.createFunc(key[:c.keySize], iv[:c.ivSize])
- if err != nil {
- return nil, err
- }
-
- var streamDump []byte
- if c.skip > 0 {
- streamDump = make([]byte, 512)
- }
-
- for remainingToDump := c.skip; remainingToDump > 0; {
- dumpThisTime := remainingToDump
- if dumpThisTime > len(streamDump) {
- dumpThisTime = len(streamDump)
- }
- stream.XORKeyStream(streamDump[:dumpThisTime], streamDump[:dumpThisTime])
- remainingToDump -= dumpThisTime
- }
-
- return stream, nil
-}
-
-// cipherModes documents properties of supported ciphers. Ciphers not included
-// are not supported and will not be negotiated, even if explicitly requested in
-// ClientConfig.Crypto.Ciphers.
-var cipherModes = map[string]*streamCipherMode{
- // Ciphers from RFC4344, which introduced many CTR-based ciphers. Algorithms
- // are defined in the order specified in the RFC.
- "aes128-ctr": {16, aes.BlockSize, 0, newAESCTR},
- "aes192-ctr": {24, aes.BlockSize, 0, newAESCTR},
- "aes256-ctr": {32, aes.BlockSize, 0, newAESCTR},
-
- // Ciphers from RFC4345, which introduces security-improved arcfour ciphers.
- // They are defined in the order specified in the RFC.
- "arcfour128": {16, 0, 1536, newRC4},
- "arcfour256": {32, 0, 1536, newRC4},
-
- // Cipher defined in RFC 4253, which describes SSH Transport Layer Protocol.
- // Note that this cipher is not safe, as stated in RFC 4253: "Arcfour (and
- // RC4) has problems with weak keys, and should be used with caution."
- // RFC4345 introduces improved versions of Arcfour.
- "arcfour": {16, 0, 0, newRC4},
-
- // AES-GCM is not a stream cipher, so it is constructed with a
- // special case. If we add any more non-stream ciphers, we
- // should invest a cleaner way to do this.
- gcmCipherID: {16, 12, 0, nil},
-
- // CBC mode is insecure and so is not included in the default config.
- // (See http://www.isg.rhul.ac.uk/~kp/SandPfinal.pdf). If absolutely
- // needed, it's possible to specify a custom Config to enable it.
- // You should expect that an active attacker can recover plaintext if
- // you do.
- aes128cbcID: {16, aes.BlockSize, 0, nil},
-
- // 3des-cbc is insecure and is disabled by default.
- tripledescbcID: {24, des.BlockSize, 0, nil},
-}
-
-// prefixLen is the length of the packet prefix that contains the packet length
-// and number of padding bytes.
-const prefixLen = 5
-
-// streamPacketCipher is a packetCipher using a stream cipher.
-type streamPacketCipher struct {
- mac hash.Hash
- cipher cipher.Stream
-
- // The following members are to avoid per-packet allocations.
- prefix [prefixLen]byte
- seqNumBytes [4]byte
- padding [2 * packetSizeMultiple]byte
- packetData []byte
- macResult []byte
-}
-
-// readPacket reads and decrypt a single packet from the reader argument.
-func (s *streamPacketCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
- if _, err := io.ReadFull(r, s.prefix[:]); err != nil {
- return nil, err
- }
-
- s.cipher.XORKeyStream(s.prefix[:], s.prefix[:])
- length := binary.BigEndian.Uint32(s.prefix[0:4])
- paddingLength := uint32(s.prefix[4])
-
- var macSize uint32
- if s.mac != nil {
- s.mac.Reset()
- binary.BigEndian.PutUint32(s.seqNumBytes[:], seqNum)
- s.mac.Write(s.seqNumBytes[:])
- s.mac.Write(s.prefix[:])
- macSize = uint32(s.mac.Size())
- }
-
- if length <= paddingLength+1 {
- return nil, errors.New("ssh: invalid packet length, packet too small")
- }
-
- if length > maxPacket {
- return nil, errors.New("ssh: invalid packet length, packet too large")
- }
-
- // the maxPacket check above ensures that length-1+macSize
- // does not overflow.
- if uint32(cap(s.packetData)) < length-1+macSize {
- s.packetData = make([]byte, length-1+macSize)
- } else {
- s.packetData = s.packetData[:length-1+macSize]
- }
-
- if _, err := io.ReadFull(r, s.packetData); err != nil {
- return nil, err
- }
- mac := s.packetData[length-1:]
- data := s.packetData[:length-1]
- s.cipher.XORKeyStream(data, data)
-
- if s.mac != nil {
- s.mac.Write(data)
- s.macResult = s.mac.Sum(s.macResult[:0])
- if subtle.ConstantTimeCompare(s.macResult, mac) != 1 {
- return nil, errors.New("ssh: MAC failure")
- }
- }
-
- return s.packetData[:length-paddingLength-1], nil
-}
-
-// writePacket encrypts and sends a packet of data to the writer argument
-func (s *streamPacketCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
- if len(packet) > maxPacket {
- return errors.New("ssh: packet too large")
- }
-
- paddingLength := packetSizeMultiple - (prefixLen+len(packet))%packetSizeMultiple
- if paddingLength < 4 {
- paddingLength += packetSizeMultiple
- }
-
- length := len(packet) + 1 + paddingLength
- binary.BigEndian.PutUint32(s.prefix[:], uint32(length))
- s.prefix[4] = byte(paddingLength)
- padding := s.padding[:paddingLength]
- if _, err := io.ReadFull(rand, padding); err != nil {
- return err
- }
-
- if s.mac != nil {
- s.mac.Reset()
- binary.BigEndian.PutUint32(s.seqNumBytes[:], seqNum)
- s.mac.Write(s.seqNumBytes[:])
- s.mac.Write(s.prefix[:])
- s.mac.Write(packet)
- s.mac.Write(padding)
- }
-
- s.cipher.XORKeyStream(s.prefix[:], s.prefix[:])
- s.cipher.XORKeyStream(packet, packet)
- s.cipher.XORKeyStream(padding, padding)
-
- if _, err := w.Write(s.prefix[:]); err != nil {
- return err
- }
- if _, err := w.Write(packet); err != nil {
- return err
- }
- if _, err := w.Write(padding); err != nil {
- return err
- }
-
- if s.mac != nil {
- s.macResult = s.mac.Sum(s.macResult[:0])
- if _, err := w.Write(s.macResult); err != nil {
- return err
- }
- }
-
- return nil
-}
-
-type gcmCipher struct {
- aead cipher.AEAD
- prefix [4]byte
- iv []byte
- buf []byte
-}
-
-func newGCMCipher(iv, key, macKey []byte) (packetCipher, error) {
- c, err := aes.NewCipher(key)
- if err != nil {
- return nil, err
- }
-
- aead, err := cipher.NewGCM(c)
- if err != nil {
- return nil, err
- }
-
- return &gcmCipher{
- aead: aead,
- iv: iv,
- }, nil
-}
-
-const gcmTagSize = 16
-
-func (c *gcmCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
- // Pad out to multiple of 16 bytes. This is different from the
- // stream cipher because that encrypts the length too.
- padding := byte(packetSizeMultiple - (1+len(packet))%packetSizeMultiple)
- if padding < 4 {
- padding += packetSizeMultiple
- }
-
- length := uint32(len(packet) + int(padding) + 1)
- binary.BigEndian.PutUint32(c.prefix[:], length)
- if _, err := w.Write(c.prefix[:]); err != nil {
- return err
- }
-
- if cap(c.buf) < int(length) {
- c.buf = make([]byte, length)
- } else {
- c.buf = c.buf[:length]
- }
-
- c.buf[0] = padding
- copy(c.buf[1:], packet)
- if _, err := io.ReadFull(rand, c.buf[1+len(packet):]); err != nil {
- return err
- }
- c.buf = c.aead.Seal(c.buf[:0], c.iv, c.buf, c.prefix[:])
- if _, err := w.Write(c.buf); err != nil {
- return err
- }
- c.incIV()
-
- return nil
-}
-
-func (c *gcmCipher) incIV() {
- for i := 4 + 7; i >= 4; i-- {
- c.iv[i]++
- if c.iv[i] != 0 {
- break
- }
- }
-}
-
-func (c *gcmCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
- if _, err := io.ReadFull(r, c.prefix[:]); err != nil {
- return nil, err
- }
- length := binary.BigEndian.Uint32(c.prefix[:])
- if length > maxPacket {
- return nil, errors.New("ssh: max packet length exceeded.")
- }
-
- if cap(c.buf) < int(length+gcmTagSize) {
- c.buf = make([]byte, length+gcmTagSize)
- } else {
- c.buf = c.buf[:length+gcmTagSize]
- }
-
- if _, err := io.ReadFull(r, c.buf); err != nil {
- return nil, err
- }
-
- plain, err := c.aead.Open(c.buf[:0], c.iv, c.buf, c.prefix[:])
- if err != nil {
- return nil, err
- }
- c.incIV()
-
- padding := plain[0]
- if padding < 4 || padding >= 20 {
- return nil, fmt.Errorf("ssh: illegal padding %d", padding)
- }
-
- if int(padding+1) >= len(plain) {
- return nil, fmt.Errorf("ssh: padding %d too large", padding)
- }
- plain = plain[1 : length-uint32(padding)]
- return plain, nil
-}
-
-// cbcCipher implements aes128-cbc cipher defined in RFC 4253 section 6.1
-type cbcCipher struct {
- mac hash.Hash
- macSize uint32
- decrypter cipher.BlockMode
- encrypter cipher.BlockMode
-
- // The following members are to avoid per-packet allocations.
- seqNumBytes [4]byte
- packetData []byte
- macResult []byte
-
- // Amount of data we should still read to hide which
- // verification error triggered.
- oracleCamouflage uint32
-}
-
-func newCBCCipher(c cipher.Block, iv, key, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
- cbc := &cbcCipher{
- mac: macModes[algs.MAC].new(macKey),
- decrypter: cipher.NewCBCDecrypter(c, iv),
- encrypter: cipher.NewCBCEncrypter(c, iv),
- packetData: make([]byte, 1024),
- }
- if cbc.mac != nil {
- cbc.macSize = uint32(cbc.mac.Size())
- }
-
- return cbc, nil
-}
-
-func newAESCBCCipher(iv, key, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
- c, err := aes.NewCipher(key)
- if err != nil {
- return nil, err
- }
-
- cbc, err := newCBCCipher(c, iv, key, macKey, algs)
- if err != nil {
- return nil, err
- }
-
- return cbc, nil
-}
-
-func newTripleDESCBCCipher(iv, key, macKey []byte, algs directionAlgorithms) (packetCipher, error) {
- c, err := des.NewTripleDESCipher(key)
- if err != nil {
- return nil, err
- }
-
- cbc, err := newCBCCipher(c, iv, key, macKey, algs)
- if err != nil {
- return nil, err
- }
-
- return cbc, nil
-}
-
-func maxUInt32(a, b int) uint32 {
- if a > b {
- return uint32(a)
- }
- return uint32(b)
-}
-
-const (
- cbcMinPacketSizeMultiple = 8
- cbcMinPacketSize = 16
- cbcMinPaddingSize = 4
-)
-
-// cbcError represents a verification error that may leak information.
-type cbcError string
-
-func (e cbcError) Error() string { return string(e) }
-
-func (c *cbcCipher) readPacket(seqNum uint32, r io.Reader) ([]byte, error) {
- p, err := c.readPacketLeaky(seqNum, r)
- if err != nil {
- if _, ok := err.(cbcError); ok {
- // Verification error: read a fixed amount of
- // data, to make distinguishing between
- // failing MAC and failing length check more
- // difficult.
- io.CopyN(ioutil.Discard, r, int64(c.oracleCamouflage))
- }
- }
- return p, err
-}
-
-func (c *cbcCipher) readPacketLeaky(seqNum uint32, r io.Reader) ([]byte, error) {
- blockSize := c.decrypter.BlockSize()
-
- // Read the header, which will include some of the subsequent data in the
- // case of block ciphers - this is copied back to the payload later.
- // How many bytes of payload/padding will be read with this first read.
- firstBlockLength := uint32((prefixLen + blockSize - 1) / blockSize * blockSize)
- firstBlock := c.packetData[:firstBlockLength]
- if _, err := io.ReadFull(r, firstBlock); err != nil {
- return nil, err
- }
-
- c.oracleCamouflage = maxPacket + 4 + c.macSize - firstBlockLength
-
- c.decrypter.CryptBlocks(firstBlock, firstBlock)
- length := binary.BigEndian.Uint32(firstBlock[:4])
- if length > maxPacket {
- return nil, cbcError("ssh: packet too large")
- }
- if length+4 < maxUInt32(cbcMinPacketSize, blockSize) {
- // The minimum size of a packet is 16 (or the cipher block size, whichever
- // is larger) bytes.
- return nil, cbcError("ssh: packet too small")
- }
- // The length of the packet (including the length field but not the MAC) must
- // be a multiple of the block size or 8, whichever is larger.
- if (length+4)%maxUInt32(cbcMinPacketSizeMultiple, blockSize) != 0 {
- return nil, cbcError("ssh: invalid packet length multiple")
- }
-
- paddingLength := uint32(firstBlock[4])
- if paddingLength < cbcMinPaddingSize || length <= paddingLength+1 {
- return nil, cbcError("ssh: invalid packet length")
- }
-
- // Positions within the c.packetData buffer:
- macStart := 4 + length
- paddingStart := macStart - paddingLength
-
- // Entire packet size, starting before length, ending at end of mac.
- entirePacketSize := macStart + c.macSize
-
- // Ensure c.packetData is large enough for the entire packet data.
- if uint32(cap(c.packetData)) < entirePacketSize {
- // Still need to upsize and copy, but this should be rare at runtime, only
- // on upsizing the packetData buffer.
- c.packetData = make([]byte, entirePacketSize)
- copy(c.packetData, firstBlock)
- } else {
- c.packetData = c.packetData[:entirePacketSize]
- }
-
- if n, err := io.ReadFull(r, c.packetData[firstBlockLength:]); err != nil {
- return nil, err
- } else {
- c.oracleCamouflage -= uint32(n)
- }
-
- remainingCrypted := c.packetData[firstBlockLength:macStart]
- c.decrypter.CryptBlocks(remainingCrypted, remainingCrypted)
-
- mac := c.packetData[macStart:]
- if c.mac != nil {
- c.mac.Reset()
- binary.BigEndian.PutUint32(c.seqNumBytes[:], seqNum)
- c.mac.Write(c.seqNumBytes[:])
- c.mac.Write(c.packetData[:macStart])
- c.macResult = c.mac.Sum(c.macResult[:0])
- if subtle.ConstantTimeCompare(c.macResult, mac) != 1 {
- return nil, cbcError("ssh: MAC failure")
- }
- }
-
- return c.packetData[prefixLen:paddingStart], nil
-}
-
-func (c *cbcCipher) writePacket(seqNum uint32, w io.Writer, rand io.Reader, packet []byte) error {
- effectiveBlockSize := maxUInt32(cbcMinPacketSizeMultiple, c.encrypter.BlockSize())
-
- // Length of encrypted portion of the packet (header, payload, padding).
- // Enforce minimum padding and packet size.
- encLength := maxUInt32(prefixLen+len(packet)+cbcMinPaddingSize, cbcMinPaddingSize)
- // Enforce block size.
- encLength = (encLength + effectiveBlockSize - 1) / effectiveBlockSize * effectiveBlockSize
-
- length := encLength - 4
- paddingLength := int(length) - (1 + len(packet))
-
- // Overall buffer contains: header, payload, padding, mac.
- // Space for the MAC is reserved in the capacity but not the slice length.
- bufferSize := encLength + c.macSize
- if uint32(cap(c.packetData)) < bufferSize {
- c.packetData = make([]byte, encLength, bufferSize)
- } else {
- c.packetData = c.packetData[:encLength]
- }
-
- p := c.packetData
-
- // Packet header.
- binary.BigEndian.PutUint32(p, length)
- p = p[4:]
- p[0] = byte(paddingLength)
-
- // Payload.
- p = p[1:]
- copy(p, packet)
-
- // Padding.
- p = p[len(packet):]
- if _, err := io.ReadFull(rand, p); err != nil {
- return err
- }
-
- if c.mac != nil {
- c.mac.Reset()
- binary.BigEndian.PutUint32(c.seqNumBytes[:], seqNum)
- c.mac.Write(c.seqNumBytes[:])
- c.mac.Write(c.packetData)
- // The MAC is now appended into the capacity reserved for it earlier.
- c.packetData = c.mac.Sum(c.packetData)
- }
-
- c.encrypter.CryptBlocks(c.packetData[:encLength], c.packetData[:encLength])
-
- if _, err := w.Write(c.packetData); err != nil {
- return err
- }
-
- return nil
-}
diff --git a/vendor/golang.org/x/crypto/ssh/client.go b/vendor/golang.org/x/crypto/ssh/client.go
deleted file mode 100644
index 0212a20..0000000
--- a/vendor/golang.org/x/crypto/ssh/client.go
+++ /dev/null
@@ -1,213 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "errors"
- "fmt"
- "net"
- "sync"
- "time"
-)
-
-// Client implements a traditional SSH client that supports shells,
-// subprocesses, port forwarding and tunneled dialing.
-type Client struct {
- Conn
-
- forwards forwardList // forwarded tcpip connections from the remote side
- mu sync.Mutex
- channelHandlers map[string]chan NewChannel
-}
-
-// HandleChannelOpen returns a channel on which NewChannel requests
-// for the given type are sent. If the type already is being handled,
-// nil is returned. The channel is closed when the connection is closed.
-func (c *Client) HandleChannelOpen(channelType string) <-chan NewChannel {
- c.mu.Lock()
- defer c.mu.Unlock()
- if c.channelHandlers == nil {
- // The SSH channel has been closed.
- c := make(chan NewChannel)
- close(c)
- return c
- }
-
- ch := c.channelHandlers[channelType]
- if ch != nil {
- return nil
- }
-
- ch = make(chan NewChannel, 16)
- c.channelHandlers[channelType] = ch
- return ch
-}
-
-// NewClient creates a Client on top of the given connection.
-func NewClient(c Conn, chans <-chan NewChannel, reqs <-chan *Request) *Client {
- conn := &Client{
- Conn: c,
- channelHandlers: make(map[string]chan NewChannel, 1),
- }
-
- go conn.handleGlobalRequests(reqs)
- go conn.handleChannelOpens(chans)
- go func() {
- conn.Wait()
- conn.forwards.closeAll()
- }()
- go conn.forwards.handleChannels(conn.HandleChannelOpen("forwarded-tcpip"))
- return conn
-}
-
-// NewClientConn establishes an authenticated SSH connection using c
-// as the underlying transport. The Request and NewChannel channels
-// must be serviced or the connection will hang.
-func NewClientConn(c net.Conn, addr string, config *ClientConfig) (Conn, <-chan NewChannel, <-chan *Request, error) {
- fullConf := *config
- fullConf.SetDefaults()
- conn := &connection{
- sshConn: sshConn{conn: c},
- }
-
- if err := conn.clientHandshake(addr, &fullConf); err != nil {
- c.Close()
- return nil, nil, nil, fmt.Errorf("ssh: handshake failed: %v", err)
- }
- conn.mux = newMux(conn.transport)
- return conn, conn.mux.incomingChannels, conn.mux.incomingRequests, nil
-}
-
-// clientHandshake performs the client side key exchange. See RFC 4253 Section
-// 7.
-func (c *connection) clientHandshake(dialAddress string, config *ClientConfig) error {
- if config.ClientVersion != "" {
- c.clientVersion = []byte(config.ClientVersion)
- } else {
- c.clientVersion = []byte(packageVersion)
- }
- var err error
- c.serverVersion, err = exchangeVersions(c.sshConn.conn, c.clientVersion)
- if err != nil {
- return err
- }
-
- c.transport = newClientTransport(
- newTransport(c.sshConn.conn, config.Rand, true /* is client */),
- c.clientVersion, c.serverVersion, config, dialAddress, c.sshConn.RemoteAddr())
- if err := c.transport.requestInitialKeyChange(); err != nil {
- return err
- }
-
- // We just did the key change, so the session ID is established.
- c.sessionID = c.transport.getSessionID()
-
- return c.clientAuthenticate(config)
-}
-
-// verifyHostKeySignature verifies the host key obtained in the key
-// exchange.
-func verifyHostKeySignature(hostKey PublicKey, result *kexResult) error {
- sig, rest, ok := parseSignatureBody(result.Signature)
- if len(rest) > 0 || !ok {
- return errors.New("ssh: signature parse error")
- }
-
- return hostKey.Verify(result.H, sig)
-}
-
-// NewSession opens a new Session for this client. (A session is a remote
-// execution of a program.)
-func (c *Client) NewSession() (*Session, error) {
- ch, in, err := c.OpenChannel("session", nil)
- if err != nil {
- return nil, err
- }
- return newSession(ch, in)
-}
-
-func (c *Client) handleGlobalRequests(incoming <-chan *Request) {
- for r := range incoming {
- // This handles keepalive messages and matches
- // the behaviour of OpenSSH.
- r.Reply(false, nil)
- }
-}
-
-// handleChannelOpens channel open messages from the remote side.
-func (c *Client) handleChannelOpens(in <-chan NewChannel) {
- for ch := range in {
- c.mu.Lock()
- handler := c.channelHandlers[ch.ChannelType()]
- c.mu.Unlock()
-
- if handler != nil {
- handler <- ch
- } else {
- ch.Reject(UnknownChannelType, fmt.Sprintf("unknown channel type: %v", ch.ChannelType()))
- }
- }
-
- c.mu.Lock()
- for _, ch := range c.channelHandlers {
- close(ch)
- }
- c.channelHandlers = nil
- c.mu.Unlock()
-}
-
-// Dial starts a client connection to the given SSH server. It is a
-// convenience function that connects to the given network address,
-// initiates the SSH handshake, and then sets up a Client. For access
-// to incoming channels and requests, use net.Dial with NewClientConn
-// instead.
-func Dial(network, addr string, config *ClientConfig) (*Client, error) {
- conn, err := net.DialTimeout(network, addr, config.Timeout)
- if err != nil {
- return nil, err
- }
- c, chans, reqs, err := NewClientConn(conn, addr, config)
- if err != nil {
- return nil, err
- }
- return NewClient(c, chans, reqs), nil
-}
-
-// A ClientConfig structure is used to configure a Client. It must not be
-// modified after having been passed to an SSH function.
-type ClientConfig struct {
- // Config contains configuration that is shared between clients and
- // servers.
- Config
-
- // User contains the username to authenticate as.
- User string
-
- // Auth contains possible authentication methods to use with the
- // server. Only the first instance of a particular RFC 4252 method will
- // be used during authentication.
- Auth []AuthMethod
-
- // HostKeyCallback, if not nil, is called during the cryptographic
- // handshake to validate the server's host key. A nil HostKeyCallback
- // implies that all host keys are accepted.
- HostKeyCallback func(hostname string, remote net.Addr, key PublicKey) error
-
- // ClientVersion contains the version identification string that will
- // be used for the connection. If empty, a reasonable default is used.
- ClientVersion string
-
- // HostKeyAlgorithms lists the key types that the client will
- // accept from the server as host key, in order of
- // preference. If empty, a reasonable default is used. Any
- // string returned from PublicKey.Type method may be used, or
- // any of the CertAlgoXxxx and KeyAlgoXxxx constants.
- HostKeyAlgorithms []string
-
- // Timeout is the maximum amount of time for the TCP connection to establish.
- //
- // A Timeout of zero means no timeout.
- Timeout time.Duration
-}
diff --git a/vendor/golang.org/x/crypto/ssh/client_auth.go b/vendor/golang.org/x/crypto/ssh/client_auth.go
deleted file mode 100644
index 294af0d..0000000
--- a/vendor/golang.org/x/crypto/ssh/client_auth.go
+++ /dev/null
@@ -1,473 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "bytes"
- "errors"
- "fmt"
- "io"
-)
-
-// clientAuthenticate authenticates with the remote server. See RFC 4252.
-func (c *connection) clientAuthenticate(config *ClientConfig) error {
- // initiate user auth session
- if err := c.transport.writePacket(Marshal(&serviceRequestMsg{serviceUserAuth})); err != nil {
- return err
- }
- packet, err := c.transport.readPacket()
- if err != nil {
- return err
- }
- var serviceAccept serviceAcceptMsg
- if err := Unmarshal(packet, &serviceAccept); err != nil {
- return err
- }
-
- // during the authentication phase the client first attempts the "none" method
- // then any untried methods suggested by the server.
- tried := make(map[string]bool)
- var lastMethods []string
- for auth := AuthMethod(new(noneAuth)); auth != nil; {
- ok, methods, err := auth.auth(c.transport.getSessionID(), config.User, c.transport, config.Rand)
- if err != nil {
- return err
- }
- if ok {
- // success
- return nil
- }
- tried[auth.method()] = true
- if methods == nil {
- methods = lastMethods
- }
- lastMethods = methods
-
- auth = nil
-
- findNext:
- for _, a := range config.Auth {
- candidateMethod := a.method()
- if tried[candidateMethod] {
- continue
- }
- for _, meth := range methods {
- if meth == candidateMethod {
- auth = a
- break findNext
- }
- }
- }
- }
- return fmt.Errorf("ssh: unable to authenticate, attempted methods %v, no supported methods remain", keys(tried))
-}
-
-func keys(m map[string]bool) []string {
- s := make([]string, 0, len(m))
-
- for key := range m {
- s = append(s, key)
- }
- return s
-}
-
-// An AuthMethod represents an instance of an RFC 4252 authentication method.
-type AuthMethod interface {
- // auth authenticates user over transport t.
- // Returns true if authentication is successful.
- // If authentication is not successful, a []string of alternative
- // method names is returned. If the slice is nil, it will be ignored
- // and the previous set of possible methods will be reused.
- auth(session []byte, user string, p packetConn, rand io.Reader) (bool, []string, error)
-
- // method returns the RFC 4252 method name.
- method() string
-}
-
-// "none" authentication, RFC 4252 section 5.2.
-type noneAuth int
-
-func (n *noneAuth) auth(session []byte, user string, c packetConn, rand io.Reader) (bool, []string, error) {
- if err := c.writePacket(Marshal(&userAuthRequestMsg{
- User: user,
- Service: serviceSSH,
- Method: "none",
- })); err != nil {
- return false, nil, err
- }
-
- return handleAuthResponse(c)
-}
-
-func (n *noneAuth) method() string {
- return "none"
-}
-
-// passwordCallback is an AuthMethod that fetches the password through
-// a function call, e.g. by prompting the user.
-type passwordCallback func() (password string, err error)
-
-func (cb passwordCallback) auth(session []byte, user string, c packetConn, rand io.Reader) (bool, []string, error) {
- type passwordAuthMsg struct {
- User string `sshtype:"50"`
- Service string
- Method string
- Reply bool
- Password string
- }
-
- pw, err := cb()
- // REVIEW NOTE: is there a need to support skipping a password attempt?
- // The program may only find out that the user doesn't have a password
- // when prompting.
- if err != nil {
- return false, nil, err
- }
-
- if err := c.writePacket(Marshal(&passwordAuthMsg{
- User: user,
- Service: serviceSSH,
- Method: cb.method(),
- Reply: false,
- Password: pw,
- })); err != nil {
- return false, nil, err
- }
-
- return handleAuthResponse(c)
-}
-
-func (cb passwordCallback) method() string {
- return "password"
-}
-
-// Password returns an AuthMethod using the given password.
-func Password(secret string) AuthMethod {
- return passwordCallback(func() (string, error) { return secret, nil })
-}
-
-// PasswordCallback returns an AuthMethod that uses a callback for
-// fetching a password.
-func PasswordCallback(prompt func() (secret string, err error)) AuthMethod {
- return passwordCallback(prompt)
-}
-
-type publickeyAuthMsg struct {
- User string `sshtype:"50"`
- Service string
- Method string
- // HasSig indicates to the receiver packet that the auth request is signed and
- // should be used for authentication of the request.
- HasSig bool
- Algoname string
- PubKey []byte
- // Sig is tagged with "rest" so Marshal will exclude it during
- // validateKey
- Sig []byte `ssh:"rest"`
-}
-
-// publicKeyCallback is an AuthMethod that uses a set of key
-// pairs for authentication.
-type publicKeyCallback func() ([]Signer, error)
-
-func (cb publicKeyCallback) method() string {
- return "publickey"
-}
-
-func (cb publicKeyCallback) auth(session []byte, user string, c packetConn, rand io.Reader) (bool, []string, error) {
- // Authentication is performed in two stages. The first stage sends an
- // enquiry to test if each key is acceptable to the remote. The second
- // stage attempts to authenticate with the valid keys obtained in the
- // first stage.
-
- signers, err := cb()
- if err != nil {
- return false, nil, err
- }
- var validKeys []Signer
- for _, signer := range signers {
- if ok, err := validateKey(signer.PublicKey(), user, c); ok {
- validKeys = append(validKeys, signer)
- } else {
- if err != nil {
- return false, nil, err
- }
- }
- }
-
- // methods that may continue if this auth is not successful.
- var methods []string
- for _, signer := range validKeys {
- pub := signer.PublicKey()
-
- pubKey := pub.Marshal()
- sign, err := signer.Sign(rand, buildDataSignedForAuth(session, userAuthRequestMsg{
- User: user,
- Service: serviceSSH,
- Method: cb.method(),
- }, []byte(pub.Type()), pubKey))
- if err != nil {
- return false, nil, err
- }
-
- // manually wrap the serialized signature in a string
- s := Marshal(sign)
- sig := make([]byte, stringLength(len(s)))
- marshalString(sig, s)
- msg := publickeyAuthMsg{
- User: user,
- Service: serviceSSH,
- Method: cb.method(),
- HasSig: true,
- Algoname: pub.Type(),
- PubKey: pubKey,
- Sig: sig,
- }
- p := Marshal(&msg)
- if err := c.writePacket(p); err != nil {
- return false, nil, err
- }
- var success bool
- success, methods, err = handleAuthResponse(c)
- if err != nil {
- return false, nil, err
- }
- if success {
- return success, methods, err
- }
- }
- return false, methods, nil
-}
-
-// validateKey validates the key provided is acceptable to the server.
-func validateKey(key PublicKey, user string, c packetConn) (bool, error) {
- pubKey := key.Marshal()
- msg := publickeyAuthMsg{
- User: user,
- Service: serviceSSH,
- Method: "publickey",
- HasSig: false,
- Algoname: key.Type(),
- PubKey: pubKey,
- }
- if err := c.writePacket(Marshal(&msg)); err != nil {
- return false, err
- }
-
- return confirmKeyAck(key, c)
-}
-
-func confirmKeyAck(key PublicKey, c packetConn) (bool, error) {
- pubKey := key.Marshal()
- algoname := key.Type()
-
- for {
- packet, err := c.readPacket()
- if err != nil {
- return false, err
- }
- switch packet[0] {
- case msgUserAuthBanner:
- // TODO(gpaul): add callback to present the banner to the user
- case msgUserAuthPubKeyOk:
- var msg userAuthPubKeyOkMsg
- if err := Unmarshal(packet, &msg); err != nil {
- return false, err
- }
- if msg.Algo != algoname || !bytes.Equal(msg.PubKey, pubKey) {
- return false, nil
- }
- return true, nil
- case msgUserAuthFailure:
- return false, nil
- default:
- return false, unexpectedMessageError(msgUserAuthSuccess, packet[0])
- }
- }
-}
-
-// PublicKeys returns an AuthMethod that uses the given key
-// pairs.
-func PublicKeys(signers ...Signer) AuthMethod {
- return publicKeyCallback(func() ([]Signer, error) { return signers, nil })
-}
-
-// PublicKeysCallback returns an AuthMethod that runs the given
-// function to obtain a list of key pairs.
-func PublicKeysCallback(getSigners func() (signers []Signer, err error)) AuthMethod {
- return publicKeyCallback(getSigners)
-}
-
-// handleAuthResponse returns whether the preceding authentication request succeeded
-// along with a list of remaining authentication methods to try next and
-// an error if an unexpected response was received.
-func handleAuthResponse(c packetConn) (bool, []string, error) {
- for {
- packet, err := c.readPacket()
- if err != nil {
- return false, nil, err
- }
-
- switch packet[0] {
- case msgUserAuthBanner:
- // TODO: add callback to present the banner to the user
- case msgUserAuthFailure:
- var msg userAuthFailureMsg
- if err := Unmarshal(packet, &msg); err != nil {
- return false, nil, err
- }
- return false, msg.Methods, nil
- case msgUserAuthSuccess:
- return true, nil, nil
- default:
- return false, nil, unexpectedMessageError(msgUserAuthSuccess, packet[0])
- }
- }
-}
-
-// KeyboardInteractiveChallenge should print questions, optionally
-// disabling echoing (e.g. for passwords), and return all the answers.
-// Challenge may be called multiple times in a single session. After
-// successful authentication, the server may send a challenge with no
-// questions, for which the user and instruction messages should be
-// printed. RFC 4256 section 3.3 details how the UI should behave for
-// both CLI and GUI environments.
-type KeyboardInteractiveChallenge func(user, instruction string, questions []string, echos []bool) (answers []string, err error)
-
-// KeyboardInteractive returns a AuthMethod using a prompt/response
-// sequence controlled by the server.
-func KeyboardInteractive(challenge KeyboardInteractiveChallenge) AuthMethod {
- return challenge
-}
-
-func (cb KeyboardInteractiveChallenge) method() string {
- return "keyboard-interactive"
-}
-
-func (cb KeyboardInteractiveChallenge) auth(session []byte, user string, c packetConn, rand io.Reader) (bool, []string, error) {
- type initiateMsg struct {
- User string `sshtype:"50"`
- Service string
- Method string
- Language string
- Submethods string
- }
-
- if err := c.writePacket(Marshal(&initiateMsg{
- User: user,
- Service: serviceSSH,
- Method: "keyboard-interactive",
- })); err != nil {
- return false, nil, err
- }
-
- for {
- packet, err := c.readPacket()
- if err != nil {
- return false, nil, err
- }
-
- // like handleAuthResponse, but with less options.
- switch packet[0] {
- case msgUserAuthBanner:
- // TODO: Print banners during userauth.
- continue
- case msgUserAuthInfoRequest:
- // OK
- case msgUserAuthFailure:
- var msg userAuthFailureMsg
- if err := Unmarshal(packet, &msg); err != nil {
- return false, nil, err
- }
- return false, msg.Methods, nil
- case msgUserAuthSuccess:
- return true, nil, nil
- default:
- return false, nil, unexpectedMessageError(msgUserAuthInfoRequest, packet[0])
- }
-
- var msg userAuthInfoRequestMsg
- if err := Unmarshal(packet, &msg); err != nil {
- return false, nil, err
- }
-
- // Manually unpack the prompt/echo pairs.
- rest := msg.Prompts
- var prompts []string
- var echos []bool
- for i := 0; i < int(msg.NumPrompts); i++ {
- prompt, r, ok := parseString(rest)
- if !ok || len(r) == 0 {
- return false, nil, errors.New("ssh: prompt format error")
- }
- prompts = append(prompts, string(prompt))
- echos = append(echos, r[0] != 0)
- rest = r[1:]
- }
-
- if len(rest) != 0 {
- return false, nil, errors.New("ssh: extra data following keyboard-interactive pairs")
- }
-
- answers, err := cb(msg.User, msg.Instruction, prompts, echos)
- if err != nil {
- return false, nil, err
- }
-
- if len(answers) != len(prompts) {
- return false, nil, errors.New("ssh: not enough answers from keyboard-interactive callback")
- }
- responseLength := 1 + 4
- for _, a := range answers {
- responseLength += stringLength(len(a))
- }
- serialized := make([]byte, responseLength)
- p := serialized
- p[0] = msgUserAuthInfoResponse
- p = p[1:]
- p = marshalUint32(p, uint32(len(answers)))
- for _, a := range answers {
- p = marshalString(p, []byte(a))
- }
-
- if err := c.writePacket(serialized); err != nil {
- return false, nil, err
- }
- }
-}
-
-type retryableAuthMethod struct {
- authMethod AuthMethod
- maxTries int
-}
-
-func (r *retryableAuthMethod) auth(session []byte, user string, c packetConn, rand io.Reader) (ok bool, methods []string, err error) {
- for i := 0; r.maxTries <= 0 || i < r.maxTries; i++ {
- ok, methods, err = r.authMethod.auth(session, user, c, rand)
- if ok || err != nil { // either success or error terminate
- return ok, methods, err
- }
- }
- return ok, methods, err
-}
-
-func (r *retryableAuthMethod) method() string {
- return r.authMethod.method()
-}
-
-// RetryableAuthMethod is a decorator for other auth methods enabling them to
-// be retried up to maxTries before considering that AuthMethod itself failed.
-// If maxTries is <= 0, will retry indefinitely
-//
-// This is useful for interactive clients using challenge/response type
-// authentication (e.g. Keyboard-Interactive, Password, etc) where the user
-// could mistype their response resulting in the server issuing a
-// SSH_MSG_USERAUTH_FAILURE (rfc4252 #8 [password] and rfc4256 #3.4
-// [keyboard-interactive]); Without this decorator, the non-retryable
-// AuthMethod would be removed from future consideration, and never tried again
-// (and so the user would never be able to retry their entry).
-func RetryableAuthMethod(auth AuthMethod, maxTries int) AuthMethod {
- return &retryableAuthMethod{authMethod: auth, maxTries: maxTries}
-}
diff --git a/vendor/golang.org/x/crypto/ssh/common.go b/vendor/golang.org/x/crypto/ssh/common.go
deleted file mode 100644
index 2c72ab5..0000000
--- a/vendor/golang.org/x/crypto/ssh/common.go
+++ /dev/null
@@ -1,356 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "crypto"
- "crypto/rand"
- "fmt"
- "io"
- "sync"
-
- _ "crypto/sha1"
- _ "crypto/sha256"
- _ "crypto/sha512"
-)
-
-// These are string constants in the SSH protocol.
-const (
- compressionNone = "none"
- serviceUserAuth = "ssh-userauth"
- serviceSSH = "ssh-connection"
-)
-
-// supportedCiphers specifies the supported ciphers in preference order.
-var supportedCiphers = []string{
- "aes128-ctr", "aes192-ctr", "aes256-ctr",
- "aes128-gcm@openssh.com",
- "arcfour256", "arcfour128",
-}
-
-// supportedKexAlgos specifies the supported key-exchange algorithms in
-// preference order.
-var supportedKexAlgos = []string{
- kexAlgoCurve25519SHA256,
- // P384 and P521 are not constant-time yet, but since we don't
- // reuse ephemeral keys, using them for ECDH should be OK.
- kexAlgoECDH256, kexAlgoECDH384, kexAlgoECDH521,
- kexAlgoDH14SHA1, kexAlgoDH1SHA1,
-}
-
-// supportedKexAlgos specifies the supported host-key algorithms (i.e. methods
-// of authenticating servers) in preference order.
-var supportedHostKeyAlgos = []string{
- CertAlgoRSAv01, CertAlgoDSAv01, CertAlgoECDSA256v01,
- CertAlgoECDSA384v01, CertAlgoECDSA521v01, CertAlgoED25519v01,
-
- KeyAlgoECDSA256, KeyAlgoECDSA384, KeyAlgoECDSA521,
- KeyAlgoRSA, KeyAlgoDSA,
-
- KeyAlgoED25519,
-}
-
-// supportedMACs specifies a default set of MAC algorithms in preference order.
-// This is based on RFC 4253, section 6.4, but with hmac-md5 variants removed
-// because they have reached the end of their useful life.
-var supportedMACs = []string{
- "hmac-sha2-256", "hmac-sha1", "hmac-sha1-96",
-}
-
-var supportedCompressions = []string{compressionNone}
-
-// hashFuncs keeps the mapping of supported algorithms to their respective
-// hashes needed for signature verification.
-var hashFuncs = map[string]crypto.Hash{
- KeyAlgoRSA: crypto.SHA1,
- KeyAlgoDSA: crypto.SHA1,
- KeyAlgoECDSA256: crypto.SHA256,
- KeyAlgoECDSA384: crypto.SHA384,
- KeyAlgoECDSA521: crypto.SHA512,
- CertAlgoRSAv01: crypto.SHA1,
- CertAlgoDSAv01: crypto.SHA1,
- CertAlgoECDSA256v01: crypto.SHA256,
- CertAlgoECDSA384v01: crypto.SHA384,
- CertAlgoECDSA521v01: crypto.SHA512,
-}
-
-// unexpectedMessageError results when the SSH message that we received didn't
-// match what we wanted.
-func unexpectedMessageError(expected, got uint8) error {
- return fmt.Errorf("ssh: unexpected message type %d (expected %d)", got, expected)
-}
-
-// parseError results from a malformed SSH message.
-func parseError(tag uint8) error {
- return fmt.Errorf("ssh: parse error in message type %d", tag)
-}
-
-func findCommon(what string, client []string, server []string) (common string, err error) {
- for _, c := range client {
- for _, s := range server {
- if c == s {
- return c, nil
- }
- }
- }
- return "", fmt.Errorf("ssh: no common algorithm for %s; client offered: %v, server offered: %v", what, client, server)
-}
-
-type directionAlgorithms struct {
- Cipher string
- MAC string
- Compression string
-}
-
-type algorithms struct {
- kex string
- hostKey string
- w directionAlgorithms
- r directionAlgorithms
-}
-
-func findAgreedAlgorithms(clientKexInit, serverKexInit *kexInitMsg) (algs *algorithms, err error) {
- result := &algorithms{}
-
- result.kex, err = findCommon("key exchange", clientKexInit.KexAlgos, serverKexInit.KexAlgos)
- if err != nil {
- return
- }
-
- result.hostKey, err = findCommon("host key", clientKexInit.ServerHostKeyAlgos, serverKexInit.ServerHostKeyAlgos)
- if err != nil {
- return
- }
-
- result.w.Cipher, err = findCommon("client to server cipher", clientKexInit.CiphersClientServer, serverKexInit.CiphersClientServer)
- if err != nil {
- return
- }
-
- result.r.Cipher, err = findCommon("server to client cipher", clientKexInit.CiphersServerClient, serverKexInit.CiphersServerClient)
- if err != nil {
- return
- }
-
- result.w.MAC, err = findCommon("client to server MAC", clientKexInit.MACsClientServer, serverKexInit.MACsClientServer)
- if err != nil {
- return
- }
-
- result.r.MAC, err = findCommon("server to client MAC", clientKexInit.MACsServerClient, serverKexInit.MACsServerClient)
- if err != nil {
- return
- }
-
- result.w.Compression, err = findCommon("client to server compression", clientKexInit.CompressionClientServer, serverKexInit.CompressionClientServer)
- if err != nil {
- return
- }
-
- result.r.Compression, err = findCommon("server to client compression", clientKexInit.CompressionServerClient, serverKexInit.CompressionServerClient)
- if err != nil {
- return
- }
-
- return result, nil
-}
-
-// If rekeythreshold is too small, we can't make any progress sending
-// stuff.
-const minRekeyThreshold uint64 = 256
-
-// Config contains configuration data common to both ServerConfig and
-// ClientConfig.
-type Config struct {
- // Rand provides the source of entropy for cryptographic
- // primitives. If Rand is nil, the cryptographic random reader
- // in package crypto/rand will be used.
- Rand io.Reader
-
- // The maximum number of bytes sent or received after which a
- // new key is negotiated. It must be at least 256. If
- // unspecified, 1 gigabyte is used.
- RekeyThreshold uint64
-
- // The allowed key exchanges algorithms. If unspecified then a
- // default set of algorithms is used.
- KeyExchanges []string
-
- // The allowed cipher algorithms. If unspecified then a sensible
- // default is used.
- Ciphers []string
-
- // The allowed MAC algorithms. If unspecified then a sensible default
- // is used.
- MACs []string
-}
-
-// SetDefaults sets sensible values for unset fields in config. This is
-// exported for testing: Configs passed to SSH functions are copied and have
-// default values set automatically.
-func (c *Config) SetDefaults() {
- if c.Rand == nil {
- c.Rand = rand.Reader
- }
- if c.Ciphers == nil {
- c.Ciphers = supportedCiphers
- }
- var ciphers []string
- for _, c := range c.Ciphers {
- if cipherModes[c] != nil {
- // reject the cipher if we have no cipherModes definition
- ciphers = append(ciphers, c)
- }
- }
- c.Ciphers = ciphers
-
- if c.KeyExchanges == nil {
- c.KeyExchanges = supportedKexAlgos
- }
-
- if c.MACs == nil {
- c.MACs = supportedMACs
- }
-
- if c.RekeyThreshold == 0 {
- // RFC 4253, section 9 suggests rekeying after 1G.
- c.RekeyThreshold = 1 << 30
- }
- if c.RekeyThreshold < minRekeyThreshold {
- c.RekeyThreshold = minRekeyThreshold
- }
-}
-
-// buildDataSignedForAuth returns the data that is signed in order to prove
-// possession of a private key. See RFC 4252, section 7.
-func buildDataSignedForAuth(sessionId []byte, req userAuthRequestMsg, algo, pubKey []byte) []byte {
- data := struct {
- Session []byte
- Type byte
- User string
- Service string
- Method string
- Sign bool
- Algo []byte
- PubKey []byte
- }{
- sessionId,
- msgUserAuthRequest,
- req.User,
- req.Service,
- req.Method,
- true,
- algo,
- pubKey,
- }
- return Marshal(data)
-}
-
-func appendU16(buf []byte, n uint16) []byte {
- return append(buf, byte(n>>8), byte(n))
-}
-
-func appendU32(buf []byte, n uint32) []byte {
- return append(buf, byte(n>>24), byte(n>>16), byte(n>>8), byte(n))
-}
-
-func appendU64(buf []byte, n uint64) []byte {
- return append(buf,
- byte(n>>56), byte(n>>48), byte(n>>40), byte(n>>32),
- byte(n>>24), byte(n>>16), byte(n>>8), byte(n))
-}
-
-func appendInt(buf []byte, n int) []byte {
- return appendU32(buf, uint32(n))
-}
-
-func appendString(buf []byte, s string) []byte {
- buf = appendU32(buf, uint32(len(s)))
- buf = append(buf, s...)
- return buf
-}
-
-func appendBool(buf []byte, b bool) []byte {
- if b {
- return append(buf, 1)
- }
- return append(buf, 0)
-}
-
-// newCond is a helper to hide the fact that there is no usable zero
-// value for sync.Cond.
-func newCond() *sync.Cond { return sync.NewCond(new(sync.Mutex)) }
-
-// window represents the buffer available to clients
-// wishing to write to a channel.
-type window struct {
- *sync.Cond
- win uint32 // RFC 4254 5.2 says the window size can grow to 2^32-1
- writeWaiters int
- closed bool
-}
-
-// add adds win to the amount of window available
-// for consumers.
-func (w *window) add(win uint32) bool {
- // a zero sized window adjust is a noop.
- if win == 0 {
- return true
- }
- w.L.Lock()
- if w.win+win < win {
- w.L.Unlock()
- return false
- }
- w.win += win
- // It is unusual that multiple goroutines would be attempting to reserve
- // window space, but not guaranteed. Use broadcast to notify all waiters
- // that additional window is available.
- w.Broadcast()
- w.L.Unlock()
- return true
-}
-
-// close sets the window to closed, so all reservations fail
-// immediately.
-func (w *window) close() {
- w.L.Lock()
- w.closed = true
- w.Broadcast()
- w.L.Unlock()
-}
-
-// reserve reserves win from the available window capacity.
-// If no capacity remains, reserve will block. reserve may
-// return less than requested.
-func (w *window) reserve(win uint32) (uint32, error) {
- var err error
- w.L.Lock()
- w.writeWaiters++
- w.Broadcast()
- for w.win == 0 && !w.closed {
- w.Wait()
- }
- w.writeWaiters--
- if w.win < win {
- win = w.win
- }
- w.win -= win
- if w.closed {
- err = io.EOF
- }
- w.L.Unlock()
- return win, err
-}
-
-// waitWriterBlocked waits until some goroutine is blocked for further
-// writes. It is used in tests only.
-func (w *window) waitWriterBlocked() {
- w.Cond.L.Lock()
- for w.writeWaiters == 0 {
- w.Cond.Wait()
- }
- w.Cond.L.Unlock()
-}
diff --git a/vendor/golang.org/x/crypto/ssh/connection.go b/vendor/golang.org/x/crypto/ssh/connection.go
deleted file mode 100644
index 979d919..0000000
--- a/vendor/golang.org/x/crypto/ssh/connection.go
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "fmt"
- "net"
-)
-
-// OpenChannelError is returned if the other side rejects an
-// OpenChannel request.
-type OpenChannelError struct {
- Reason RejectionReason
- Message string
-}
-
-func (e *OpenChannelError) Error() string {
- return fmt.Sprintf("ssh: rejected: %s (%s)", e.Reason, e.Message)
-}
-
-// ConnMetadata holds metadata for the connection.
-type ConnMetadata interface {
- // User returns the user ID for this connection.
- // It is empty if no authentication is used.
- User() string
-
- // SessionID returns the sesson hash, also denoted by H.
- SessionID() []byte
-
- // ClientVersion returns the client's version string as hashed
- // into the session ID.
- ClientVersion() []byte
-
- // ServerVersion returns the server's version string as hashed
- // into the session ID.
- ServerVersion() []byte
-
- // RemoteAddr returns the remote address for this connection.
- RemoteAddr() net.Addr
-
- // LocalAddr returns the local address for this connection.
- LocalAddr() net.Addr
-}
-
-// Conn represents an SSH connection for both server and client roles.
-// Conn is the basis for implementing an application layer, such
-// as ClientConn, which implements the traditional shell access for
-// clients.
-type Conn interface {
- ConnMetadata
-
- // SendRequest sends a global request, and returns the
- // reply. If wantReply is true, it returns the response status
- // and payload. See also RFC4254, section 4.
- SendRequest(name string, wantReply bool, payload []byte) (bool, []byte, error)
-
- // OpenChannel tries to open an channel. If the request is
- // rejected, it returns *OpenChannelError. On success it returns
- // the SSH Channel and a Go channel for incoming, out-of-band
- // requests. The Go channel must be serviced, or the
- // connection will hang.
- OpenChannel(name string, data []byte) (Channel, <-chan *Request, error)
-
- // Close closes the underlying network connection
- Close() error
-
- // Wait blocks until the connection has shut down, and returns the
- // error causing the shutdown.
- Wait() error
-
- // TODO(hanwen): consider exposing:
- // RequestKeyChange
- // Disconnect
-}
-
-// DiscardRequests consumes and rejects all requests from the
-// passed-in channel.
-func DiscardRequests(in <-chan *Request) {
- for req := range in {
- if req.WantReply {
- req.Reply(false, nil)
- }
- }
-}
-
-// A connection represents an incoming connection.
-type connection struct {
- transport *handshakeTransport
- sshConn
-
- // The connection protocol.
- *mux
-}
-
-func (c *connection) Close() error {
- return c.sshConn.conn.Close()
-}
-
-// sshconn provides net.Conn metadata, but disallows direct reads and
-// writes.
-type sshConn struct {
- conn net.Conn
-
- user string
- sessionID []byte
- clientVersion []byte
- serverVersion []byte
-}
-
-func dup(src []byte) []byte {
- dst := make([]byte, len(src))
- copy(dst, src)
- return dst
-}
-
-func (c *sshConn) User() string {
- return c.user
-}
-
-func (c *sshConn) RemoteAddr() net.Addr {
- return c.conn.RemoteAddr()
-}
-
-func (c *sshConn) Close() error {
- return c.conn.Close()
-}
-
-func (c *sshConn) LocalAddr() net.Addr {
- return c.conn.LocalAddr()
-}
-
-func (c *sshConn) SessionID() []byte {
- return dup(c.sessionID)
-}
-
-func (c *sshConn) ClientVersion() []byte {
- return dup(c.clientVersion)
-}
-
-func (c *sshConn) ServerVersion() []byte {
- return dup(c.serverVersion)
-}
diff --git a/vendor/golang.org/x/crypto/ssh/doc.go b/vendor/golang.org/x/crypto/ssh/doc.go
deleted file mode 100644
index d6be894..0000000
--- a/vendor/golang.org/x/crypto/ssh/doc.go
+++ /dev/null
@@ -1,18 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-/*
-Package ssh implements an SSH client and server.
-
-SSH is a transport security protocol, an authentication protocol and a
-family of application protocols. The most typical application level
-protocol is a remote shell and this is specifically implemented. However,
-the multiplexed nature of SSH is exposed to users that wish to support
-others.
-
-References:
- [PROTOCOL.certkeys]: http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/PROTOCOL.certkeys?rev=HEAD
- [SSH-PARAMETERS]: http://www.iana.org/assignments/ssh-parameters/ssh-parameters.xml#ssh-parameters-1
-*/
-package ssh // import "golang.org/x/crypto/ssh"
diff --git a/vendor/golang.org/x/crypto/ssh/handshake.go b/vendor/golang.org/x/crypto/ssh/handshake.go
deleted file mode 100644
index ae26191..0000000
--- a/vendor/golang.org/x/crypto/ssh/handshake.go
+++ /dev/null
@@ -1,451 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "crypto/rand"
- "errors"
- "fmt"
- "io"
- "log"
- "net"
- "sync"
-)
-
-// debugHandshake, if set, prints messages sent and received. Key
-// exchange messages are printed as if DH were used, so the debug
-// messages are wrong when using ECDH.
-const debugHandshake = false
-
-// keyingTransport is a packet based transport that supports key
-// changes. It need not be thread-safe. It should pass through
-// msgNewKeys in both directions.
-type keyingTransport interface {
- packetConn
-
- // prepareKeyChange sets up a key change. The key change for a
- // direction will be effected if a msgNewKeys message is sent
- // or received.
- prepareKeyChange(*algorithms, *kexResult) error
-}
-
-// handshakeTransport implements rekeying on top of a keyingTransport
-// and offers a thread-safe writePacket() interface.
-type handshakeTransport struct {
- conn keyingTransport
- config *Config
-
- serverVersion []byte
- clientVersion []byte
-
- // hostKeys is non-empty if we are the server. In that case,
- // it contains all host keys that can be used to sign the
- // connection.
- hostKeys []Signer
-
- // hostKeyAlgorithms is non-empty if we are the client. In that case,
- // we accept these key types from the server as host key.
- hostKeyAlgorithms []string
-
- // On read error, incoming is closed, and readError is set.
- incoming chan []byte
- readError error
-
- // data for host key checking
- hostKeyCallback func(hostname string, remote net.Addr, key PublicKey) error
- dialAddress string
- remoteAddr net.Addr
-
- readSinceKex uint64
-
- // Protects the writing side of the connection
- mu sync.Mutex
- cond *sync.Cond
- sentInitPacket []byte
- sentInitMsg *kexInitMsg
- writtenSinceKex uint64
- writeError error
-
- // The session ID or nil if first kex did not complete yet.
- sessionID []byte
-}
-
-func newHandshakeTransport(conn keyingTransport, config *Config, clientVersion, serverVersion []byte) *handshakeTransport {
- t := &handshakeTransport{
- conn: conn,
- serverVersion: serverVersion,
- clientVersion: clientVersion,
- incoming: make(chan []byte, 16),
- config: config,
- }
- t.cond = sync.NewCond(&t.mu)
- return t
-}
-
-func newClientTransport(conn keyingTransport, clientVersion, serverVersion []byte, config *ClientConfig, dialAddr string, addr net.Addr) *handshakeTransport {
- t := newHandshakeTransport(conn, &config.Config, clientVersion, serverVersion)
- t.dialAddress = dialAddr
- t.remoteAddr = addr
- t.hostKeyCallback = config.HostKeyCallback
- if config.HostKeyAlgorithms != nil {
- t.hostKeyAlgorithms = config.HostKeyAlgorithms
- } else {
- t.hostKeyAlgorithms = supportedHostKeyAlgos
- }
- go t.readLoop()
- return t
-}
-
-func newServerTransport(conn keyingTransport, clientVersion, serverVersion []byte, config *ServerConfig) *handshakeTransport {
- t := newHandshakeTransport(conn, &config.Config, clientVersion, serverVersion)
- t.hostKeys = config.hostKeys
- go t.readLoop()
- return t
-}
-
-func (t *handshakeTransport) getSessionID() []byte {
- return t.sessionID
-}
-
-func (t *handshakeTransport) id() string {
- if len(t.hostKeys) > 0 {
- return "server"
- }
- return "client"
-}
-
-func (t *handshakeTransport) readPacket() ([]byte, error) {
- p, ok := <-t.incoming
- if !ok {
- return nil, t.readError
- }
- return p, nil
-}
-
-func (t *handshakeTransport) readLoop() {
- for {
- p, err := t.readOnePacket()
- if err != nil {
- t.readError = err
- close(t.incoming)
- break
- }
- if p[0] == msgIgnore || p[0] == msgDebug {
- continue
- }
- t.incoming <- p
- }
-
- // If we can't read, declare the writing part dead too.
- t.mu.Lock()
- defer t.mu.Unlock()
- if t.writeError == nil {
- t.writeError = t.readError
- }
- t.cond.Broadcast()
-}
-
-func (t *handshakeTransport) readOnePacket() ([]byte, error) {
- if t.readSinceKex > t.config.RekeyThreshold {
- if err := t.requestKeyChange(); err != nil {
- return nil, err
- }
- }
-
- p, err := t.conn.readPacket()
- if err != nil {
- return nil, err
- }
-
- t.readSinceKex += uint64(len(p))
- if debugHandshake {
- if p[0] == msgChannelData || p[0] == msgChannelExtendedData {
- log.Printf("%s got data (packet %d bytes)", t.id(), len(p))
- } else {
- msg, err := decode(p)
- log.Printf("%s got %T %v (%v)", t.id(), msg, msg, err)
- }
- }
- if p[0] != msgKexInit {
- return p, nil
- }
-
- t.mu.Lock()
-
- firstKex := t.sessionID == nil
-
- err = t.enterKeyExchangeLocked(p)
- if err != nil {
- // drop connection
- t.conn.Close()
- t.writeError = err
- }
-
- if debugHandshake {
- log.Printf("%s exited key exchange (first %v), err %v", t.id(), firstKex, err)
- }
-
- // Unblock writers.
- t.sentInitMsg = nil
- t.sentInitPacket = nil
- t.cond.Broadcast()
- t.writtenSinceKex = 0
- t.mu.Unlock()
-
- if err != nil {
- return nil, err
- }
-
- t.readSinceKex = 0
-
- // By default, a key exchange is hidden from higher layers by
- // translating it into msgIgnore.
- successPacket := []byte{msgIgnore}
- if firstKex {
- // sendKexInit() for the first kex waits for
- // msgNewKeys so the authentication process is
- // guaranteed to happen over an encrypted transport.
- successPacket = []byte{msgNewKeys}
- }
-
- return successPacket, nil
-}
-
-// keyChangeCategory describes whether a key exchange is the first on a
-// connection, or a subsequent one.
-type keyChangeCategory bool
-
-const (
- firstKeyExchange keyChangeCategory = true
- subsequentKeyExchange keyChangeCategory = false
-)
-
-// sendKexInit sends a key change message, and returns the message
-// that was sent. After initiating the key change, all writes will be
-// blocked until the change is done, and a failed key change will
-// close the underlying transport. This function is safe for
-// concurrent use by multiple goroutines.
-func (t *handshakeTransport) sendKexInit(isFirst keyChangeCategory) error {
- var err error
-
- t.mu.Lock()
- // If this is the initial key change, but we already have a sessionID,
- // then do nothing because the key exchange has already completed
- // asynchronously.
- if !isFirst || t.sessionID == nil {
- _, _, err = t.sendKexInitLocked(isFirst)
- }
- t.mu.Unlock()
- if err != nil {
- return err
- }
- if isFirst {
- if packet, err := t.readPacket(); err != nil {
- return err
- } else if packet[0] != msgNewKeys {
- return unexpectedMessageError(msgNewKeys, packet[0])
- }
- }
- return nil
-}
-
-func (t *handshakeTransport) requestInitialKeyChange() error {
- return t.sendKexInit(firstKeyExchange)
-}
-
-func (t *handshakeTransport) requestKeyChange() error {
- return t.sendKexInit(subsequentKeyExchange)
-}
-
-// sendKexInitLocked sends a key change message. t.mu must be locked
-// while this happens.
-func (t *handshakeTransport) sendKexInitLocked(isFirst keyChangeCategory) (*kexInitMsg, []byte, error) {
- // kexInits may be sent either in response to the other side,
- // or because our side wants to initiate a key change, so we
- // may have already sent a kexInit. In that case, don't send a
- // second kexInit.
- if t.sentInitMsg != nil {
- return t.sentInitMsg, t.sentInitPacket, nil
- }
-
- msg := &kexInitMsg{
- KexAlgos: t.config.KeyExchanges,
- CiphersClientServer: t.config.Ciphers,
- CiphersServerClient: t.config.Ciphers,
- MACsClientServer: t.config.MACs,
- MACsServerClient: t.config.MACs,
- CompressionClientServer: supportedCompressions,
- CompressionServerClient: supportedCompressions,
- }
- io.ReadFull(rand.Reader, msg.Cookie[:])
-
- if len(t.hostKeys) > 0 {
- for _, k := range t.hostKeys {
- msg.ServerHostKeyAlgos = append(
- msg.ServerHostKeyAlgos, k.PublicKey().Type())
- }
- } else {
- msg.ServerHostKeyAlgos = t.hostKeyAlgorithms
- }
- packet := Marshal(msg)
-
- // writePacket destroys the contents, so save a copy.
- packetCopy := make([]byte, len(packet))
- copy(packetCopy, packet)
-
- if err := t.conn.writePacket(packetCopy); err != nil {
- return nil, nil, err
- }
-
- t.sentInitMsg = msg
- t.sentInitPacket = packet
- return msg, packet, nil
-}
-
-func (t *handshakeTransport) writePacket(p []byte) error {
- t.mu.Lock()
- defer t.mu.Unlock()
-
- if t.writtenSinceKex > t.config.RekeyThreshold {
- t.sendKexInitLocked(subsequentKeyExchange)
- }
- for t.sentInitMsg != nil && t.writeError == nil {
- t.cond.Wait()
- }
- if t.writeError != nil {
- return t.writeError
- }
- t.writtenSinceKex += uint64(len(p))
-
- switch p[0] {
- case msgKexInit:
- return errors.New("ssh: only handshakeTransport can send kexInit")
- case msgNewKeys:
- return errors.New("ssh: only handshakeTransport can send newKeys")
- default:
- return t.conn.writePacket(p)
- }
-}
-
-func (t *handshakeTransport) Close() error {
- return t.conn.Close()
-}
-
-// enterKeyExchange runs the key exchange. t.mu must be held while running this.
-func (t *handshakeTransport) enterKeyExchangeLocked(otherInitPacket []byte) error {
- if debugHandshake {
- log.Printf("%s entered key exchange", t.id())
- }
- myInit, myInitPacket, err := t.sendKexInitLocked(subsequentKeyExchange)
- if err != nil {
- return err
- }
-
- otherInit := &kexInitMsg{}
- if err := Unmarshal(otherInitPacket, otherInit); err != nil {
- return err
- }
-
- magics := handshakeMagics{
- clientVersion: t.clientVersion,
- serverVersion: t.serverVersion,
- clientKexInit: otherInitPacket,
- serverKexInit: myInitPacket,
- }
-
- clientInit := otherInit
- serverInit := myInit
- if len(t.hostKeys) == 0 {
- clientInit = myInit
- serverInit = otherInit
-
- magics.clientKexInit = myInitPacket
- magics.serverKexInit = otherInitPacket
- }
-
- algs, err := findAgreedAlgorithms(clientInit, serverInit)
- if err != nil {
- return err
- }
-
- // We don't send FirstKexFollows, but we handle receiving it.
- if otherInit.FirstKexFollows && algs.kex != otherInit.KexAlgos[0] {
- // other side sent a kex message for the wrong algorithm,
- // which we have to ignore.
- if _, err := t.conn.readPacket(); err != nil {
- return err
- }
- }
-
- kex, ok := kexAlgoMap[algs.kex]
- if !ok {
- return fmt.Errorf("ssh: unexpected key exchange algorithm %v", algs.kex)
- }
-
- var result *kexResult
- if len(t.hostKeys) > 0 {
- result, err = t.server(kex, algs, &magics)
- } else {
- result, err = t.client(kex, algs, &magics)
- }
-
- if err != nil {
- return err
- }
-
- if t.sessionID == nil {
- t.sessionID = result.H
- }
- result.SessionID = t.sessionID
-
- t.conn.prepareKeyChange(algs, result)
- if err = t.conn.writePacket([]byte{msgNewKeys}); err != nil {
- return err
- }
- if packet, err := t.conn.readPacket(); err != nil {
- return err
- } else if packet[0] != msgNewKeys {
- return unexpectedMessageError(msgNewKeys, packet[0])
- }
-
- return nil
-}
-
-func (t *handshakeTransport) server(kex kexAlgorithm, algs *algorithms, magics *handshakeMagics) (*kexResult, error) {
- var hostKey Signer
- for _, k := range t.hostKeys {
- if algs.hostKey == k.PublicKey().Type() {
- hostKey = k
- }
- }
-
- r, err := kex.Server(t.conn, t.config.Rand, magics, hostKey)
- return r, err
-}
-
-func (t *handshakeTransport) client(kex kexAlgorithm, algs *algorithms, magics *handshakeMagics) (*kexResult, error) {
- result, err := kex.Client(t.conn, t.config.Rand, magics)
- if err != nil {
- return nil, err
- }
-
- hostKey, err := ParsePublicKey(result.HostKey)
- if err != nil {
- return nil, err
- }
-
- if err := verifyHostKeySignature(hostKey, result); err != nil {
- return nil, err
- }
-
- if t.hostKeyCallback != nil {
- err = t.hostKeyCallback(t.dialAddress, t.remoteAddr, hostKey)
- if err != nil {
- return nil, err
- }
- }
-
- return result, nil
-}
diff --git a/vendor/golang.org/x/crypto/ssh/kex.go b/vendor/golang.org/x/crypto/ssh/kex.go
deleted file mode 100644
index 9285ee3..0000000
--- a/vendor/golang.org/x/crypto/ssh/kex.go
+++ /dev/null
@@ -1,526 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "crypto"
- "crypto/ecdsa"
- "crypto/elliptic"
- "crypto/rand"
- "crypto/subtle"
- "errors"
- "io"
- "math/big"
-
- "golang.org/x/crypto/curve25519"
-)
-
-const (
- kexAlgoDH1SHA1 = "diffie-hellman-group1-sha1"
- kexAlgoDH14SHA1 = "diffie-hellman-group14-sha1"
- kexAlgoECDH256 = "ecdh-sha2-nistp256"
- kexAlgoECDH384 = "ecdh-sha2-nistp384"
- kexAlgoECDH521 = "ecdh-sha2-nistp521"
- kexAlgoCurve25519SHA256 = "curve25519-sha256@libssh.org"
-)
-
-// kexResult captures the outcome of a key exchange.
-type kexResult struct {
- // Session hash. See also RFC 4253, section 8.
- H []byte
-
- // Shared secret. See also RFC 4253, section 8.
- K []byte
-
- // Host key as hashed into H.
- HostKey []byte
-
- // Signature of H.
- Signature []byte
-
- // A cryptographic hash function that matches the security
- // level of the key exchange algorithm. It is used for
- // calculating H, and for deriving keys from H and K.
- Hash crypto.Hash
-
- // The session ID, which is the first H computed. This is used
- // to derive key material inside the transport.
- SessionID []byte
-}
-
-// handshakeMagics contains data that is always included in the
-// session hash.
-type handshakeMagics struct {
- clientVersion, serverVersion []byte
- clientKexInit, serverKexInit []byte
-}
-
-func (m *handshakeMagics) write(w io.Writer) {
- writeString(w, m.clientVersion)
- writeString(w, m.serverVersion)
- writeString(w, m.clientKexInit)
- writeString(w, m.serverKexInit)
-}
-
-// kexAlgorithm abstracts different key exchange algorithms.
-type kexAlgorithm interface {
- // Server runs server-side key agreement, signing the result
- // with a hostkey.
- Server(p packetConn, rand io.Reader, magics *handshakeMagics, s Signer) (*kexResult, error)
-
- // Client runs the client-side key agreement. Caller is
- // responsible for verifying the host key signature.
- Client(p packetConn, rand io.Reader, magics *handshakeMagics) (*kexResult, error)
-}
-
-// dhGroup is a multiplicative group suitable for implementing Diffie-Hellman key agreement.
-type dhGroup struct {
- g, p *big.Int
-}
-
-func (group *dhGroup) diffieHellman(theirPublic, myPrivate *big.Int) (*big.Int, error) {
- if theirPublic.Sign() <= 0 || theirPublic.Cmp(group.p) >= 0 {
- return nil, errors.New("ssh: DH parameter out of bounds")
- }
- return new(big.Int).Exp(theirPublic, myPrivate, group.p), nil
-}
-
-func (group *dhGroup) Client(c packetConn, randSource io.Reader, magics *handshakeMagics) (*kexResult, error) {
- hashFunc := crypto.SHA1
-
- x, err := rand.Int(randSource, group.p)
- if err != nil {
- return nil, err
- }
- X := new(big.Int).Exp(group.g, x, group.p)
- kexDHInit := kexDHInitMsg{
- X: X,
- }
- if err := c.writePacket(Marshal(&kexDHInit)); err != nil {
- return nil, err
- }
-
- packet, err := c.readPacket()
- if err != nil {
- return nil, err
- }
-
- var kexDHReply kexDHReplyMsg
- if err = Unmarshal(packet, &kexDHReply); err != nil {
- return nil, err
- }
-
- kInt, err := group.diffieHellman(kexDHReply.Y, x)
- if err != nil {
- return nil, err
- }
-
- h := hashFunc.New()
- magics.write(h)
- writeString(h, kexDHReply.HostKey)
- writeInt(h, X)
- writeInt(h, kexDHReply.Y)
- K := make([]byte, intLength(kInt))
- marshalInt(K, kInt)
- h.Write(K)
-
- return &kexResult{
- H: h.Sum(nil),
- K: K,
- HostKey: kexDHReply.HostKey,
- Signature: kexDHReply.Signature,
- Hash: crypto.SHA1,
- }, nil
-}
-
-func (group *dhGroup) Server(c packetConn, randSource io.Reader, magics *handshakeMagics, priv Signer) (result *kexResult, err error) {
- hashFunc := crypto.SHA1
- packet, err := c.readPacket()
- if err != nil {
- return
- }
- var kexDHInit kexDHInitMsg
- if err = Unmarshal(packet, &kexDHInit); err != nil {
- return
- }
-
- y, err := rand.Int(randSource, group.p)
- if err != nil {
- return
- }
-
- Y := new(big.Int).Exp(group.g, y, group.p)
- kInt, err := group.diffieHellman(kexDHInit.X, y)
- if err != nil {
- return nil, err
- }
-
- hostKeyBytes := priv.PublicKey().Marshal()
-
- h := hashFunc.New()
- magics.write(h)
- writeString(h, hostKeyBytes)
- writeInt(h, kexDHInit.X)
- writeInt(h, Y)
-
- K := make([]byte, intLength(kInt))
- marshalInt(K, kInt)
- h.Write(K)
-
- H := h.Sum(nil)
-
- // H is already a hash, but the hostkey signing will apply its
- // own key-specific hash algorithm.
- sig, err := signAndMarshal(priv, randSource, H)
- if err != nil {
- return nil, err
- }
-
- kexDHReply := kexDHReplyMsg{
- HostKey: hostKeyBytes,
- Y: Y,
- Signature: sig,
- }
- packet = Marshal(&kexDHReply)
-
- err = c.writePacket(packet)
- return &kexResult{
- H: H,
- K: K,
- HostKey: hostKeyBytes,
- Signature: sig,
- Hash: crypto.SHA1,
- }, nil
-}
-
-// ecdh performs Elliptic Curve Diffie-Hellman key exchange as
-// described in RFC 5656, section 4.
-type ecdh struct {
- curve elliptic.Curve
-}
-
-func (kex *ecdh) Client(c packetConn, rand io.Reader, magics *handshakeMagics) (*kexResult, error) {
- ephKey, err := ecdsa.GenerateKey(kex.curve, rand)
- if err != nil {
- return nil, err
- }
-
- kexInit := kexECDHInitMsg{
- ClientPubKey: elliptic.Marshal(kex.curve, ephKey.PublicKey.X, ephKey.PublicKey.Y),
- }
-
- serialized := Marshal(&kexInit)
- if err := c.writePacket(serialized); err != nil {
- return nil, err
- }
-
- packet, err := c.readPacket()
- if err != nil {
- return nil, err
- }
-
- var reply kexECDHReplyMsg
- if err = Unmarshal(packet, &reply); err != nil {
- return nil, err
- }
-
- x, y, err := unmarshalECKey(kex.curve, reply.EphemeralPubKey)
- if err != nil {
- return nil, err
- }
-
- // generate shared secret
- secret, _ := kex.curve.ScalarMult(x, y, ephKey.D.Bytes())
-
- h := ecHash(kex.curve).New()
- magics.write(h)
- writeString(h, reply.HostKey)
- writeString(h, kexInit.ClientPubKey)
- writeString(h, reply.EphemeralPubKey)
- K := make([]byte, intLength(secret))
- marshalInt(K, secret)
- h.Write(K)
-
- return &kexResult{
- H: h.Sum(nil),
- K: K,
- HostKey: reply.HostKey,
- Signature: reply.Signature,
- Hash: ecHash(kex.curve),
- }, nil
-}
-
-// unmarshalECKey parses and checks an EC key.
-func unmarshalECKey(curve elliptic.Curve, pubkey []byte) (x, y *big.Int, err error) {
- x, y = elliptic.Unmarshal(curve, pubkey)
- if x == nil {
- return nil, nil, errors.New("ssh: elliptic.Unmarshal failure")
- }
- if !validateECPublicKey(curve, x, y) {
- return nil, nil, errors.New("ssh: public key not on curve")
- }
- return x, y, nil
-}
-
-// validateECPublicKey checks that the point is a valid public key for
-// the given curve. See [SEC1], 3.2.2
-func validateECPublicKey(curve elliptic.Curve, x, y *big.Int) bool {
- if x.Sign() == 0 && y.Sign() == 0 {
- return false
- }
-
- if x.Cmp(curve.Params().P) >= 0 {
- return false
- }
-
- if y.Cmp(curve.Params().P) >= 0 {
- return false
- }
-
- if !curve.IsOnCurve(x, y) {
- return false
- }
-
- // We don't check if N * PubKey == 0, since
- //
- // - the NIST curves have cofactor = 1, so this is implicit.
- // (We don't foresee an implementation that supports non NIST
- // curves)
- //
- // - for ephemeral keys, we don't need to worry about small
- // subgroup attacks.
- return true
-}
-
-func (kex *ecdh) Server(c packetConn, rand io.Reader, magics *handshakeMagics, priv Signer) (result *kexResult, err error) {
- packet, err := c.readPacket()
- if err != nil {
- return nil, err
- }
-
- var kexECDHInit kexECDHInitMsg
- if err = Unmarshal(packet, &kexECDHInit); err != nil {
- return nil, err
- }
-
- clientX, clientY, err := unmarshalECKey(kex.curve, kexECDHInit.ClientPubKey)
- if err != nil {
- return nil, err
- }
-
- // We could cache this key across multiple users/multiple
- // connection attempts, but the benefit is small. OpenSSH
- // generates a new key for each incoming connection.
- ephKey, err := ecdsa.GenerateKey(kex.curve, rand)
- if err != nil {
- return nil, err
- }
-
- hostKeyBytes := priv.PublicKey().Marshal()
-
- serializedEphKey := elliptic.Marshal(kex.curve, ephKey.PublicKey.X, ephKey.PublicKey.Y)
-
- // generate shared secret
- secret, _ := kex.curve.ScalarMult(clientX, clientY, ephKey.D.Bytes())
-
- h := ecHash(kex.curve).New()
- magics.write(h)
- writeString(h, hostKeyBytes)
- writeString(h, kexECDHInit.ClientPubKey)
- writeString(h, serializedEphKey)
-
- K := make([]byte, intLength(secret))
- marshalInt(K, secret)
- h.Write(K)
-
- H := h.Sum(nil)
-
- // H is already a hash, but the hostkey signing will apply its
- // own key-specific hash algorithm.
- sig, err := signAndMarshal(priv, rand, H)
- if err != nil {
- return nil, err
- }
-
- reply := kexECDHReplyMsg{
- EphemeralPubKey: serializedEphKey,
- HostKey: hostKeyBytes,
- Signature: sig,
- }
-
- serialized := Marshal(&reply)
- if err := c.writePacket(serialized); err != nil {
- return nil, err
- }
-
- return &kexResult{
- H: H,
- K: K,
- HostKey: reply.HostKey,
- Signature: sig,
- Hash: ecHash(kex.curve),
- }, nil
-}
-
-var kexAlgoMap = map[string]kexAlgorithm{}
-
-func init() {
- // This is the group called diffie-hellman-group1-sha1 in RFC
- // 4253 and Oakley Group 2 in RFC 2409.
- p, _ := new(big.Int).SetString("FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF", 16)
- kexAlgoMap[kexAlgoDH1SHA1] = &dhGroup{
- g: new(big.Int).SetInt64(2),
- p: p,
- }
-
- // This is the group called diffie-hellman-group14-sha1 in RFC
- // 4253 and Oakley Group 14 in RFC 3526.
- p, _ = new(big.Int).SetString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
-
- kexAlgoMap[kexAlgoDH14SHA1] = &dhGroup{
- g: new(big.Int).SetInt64(2),
- p: p,
- }
-
- kexAlgoMap[kexAlgoECDH521] = &ecdh{elliptic.P521()}
- kexAlgoMap[kexAlgoECDH384] = &ecdh{elliptic.P384()}
- kexAlgoMap[kexAlgoECDH256] = &ecdh{elliptic.P256()}
- kexAlgoMap[kexAlgoCurve25519SHA256] = &curve25519sha256{}
-}
-
-// curve25519sha256 implements the curve25519-sha256@libssh.org key
-// agreement protocol, as described in
-// https://git.libssh.org/projects/libssh.git/tree/doc/curve25519-sha256@libssh.org.txt
-type curve25519sha256 struct{}
-
-type curve25519KeyPair struct {
- priv [32]byte
- pub [32]byte
-}
-
-func (kp *curve25519KeyPair) generate(rand io.Reader) error {
- if _, err := io.ReadFull(rand, kp.priv[:]); err != nil {
- return err
- }
- curve25519.ScalarBaseMult(&kp.pub, &kp.priv)
- return nil
-}
-
-// curve25519Zeros is just an array of 32 zero bytes so that we have something
-// convenient to compare against in order to reject curve25519 points with the
-// wrong order.
-var curve25519Zeros [32]byte
-
-func (kex *curve25519sha256) Client(c packetConn, rand io.Reader, magics *handshakeMagics) (*kexResult, error) {
- var kp curve25519KeyPair
- if err := kp.generate(rand); err != nil {
- return nil, err
- }
- if err := c.writePacket(Marshal(&kexECDHInitMsg{kp.pub[:]})); err != nil {
- return nil, err
- }
-
- packet, err := c.readPacket()
- if err != nil {
- return nil, err
- }
-
- var reply kexECDHReplyMsg
- if err = Unmarshal(packet, &reply); err != nil {
- return nil, err
- }
- if len(reply.EphemeralPubKey) != 32 {
- return nil, errors.New("ssh: peer's curve25519 public value has wrong length")
- }
-
- var servPub, secret [32]byte
- copy(servPub[:], reply.EphemeralPubKey)
- curve25519.ScalarMult(&secret, &kp.priv, &servPub)
- if subtle.ConstantTimeCompare(secret[:], curve25519Zeros[:]) == 1 {
- return nil, errors.New("ssh: peer's curve25519 public value has wrong order")
- }
-
- h := crypto.SHA256.New()
- magics.write(h)
- writeString(h, reply.HostKey)
- writeString(h, kp.pub[:])
- writeString(h, reply.EphemeralPubKey)
-
- kInt := new(big.Int).SetBytes(secret[:])
- K := make([]byte, intLength(kInt))
- marshalInt(K, kInt)
- h.Write(K)
-
- return &kexResult{
- H: h.Sum(nil),
- K: K,
- HostKey: reply.HostKey,
- Signature: reply.Signature,
- Hash: crypto.SHA256,
- }, nil
-}
-
-func (kex *curve25519sha256) Server(c packetConn, rand io.Reader, magics *handshakeMagics, priv Signer) (result *kexResult, err error) {
- packet, err := c.readPacket()
- if err != nil {
- return
- }
- var kexInit kexECDHInitMsg
- if err = Unmarshal(packet, &kexInit); err != nil {
- return
- }
-
- if len(kexInit.ClientPubKey) != 32 {
- return nil, errors.New("ssh: peer's curve25519 public value has wrong length")
- }
-
- var kp curve25519KeyPair
- if err := kp.generate(rand); err != nil {
- return nil, err
- }
-
- var clientPub, secret [32]byte
- copy(clientPub[:], kexInit.ClientPubKey)
- curve25519.ScalarMult(&secret, &kp.priv, &clientPub)
- if subtle.ConstantTimeCompare(secret[:], curve25519Zeros[:]) == 1 {
- return nil, errors.New("ssh: peer's curve25519 public value has wrong order")
- }
-
- hostKeyBytes := priv.PublicKey().Marshal()
-
- h := crypto.SHA256.New()
- magics.write(h)
- writeString(h, hostKeyBytes)
- writeString(h, kexInit.ClientPubKey)
- writeString(h, kp.pub[:])
-
- kInt := new(big.Int).SetBytes(secret[:])
- K := make([]byte, intLength(kInt))
- marshalInt(K, kInt)
- h.Write(K)
-
- H := h.Sum(nil)
-
- sig, err := signAndMarshal(priv, rand, H)
- if err != nil {
- return nil, err
- }
-
- reply := kexECDHReplyMsg{
- EphemeralPubKey: kp.pub[:],
- HostKey: hostKeyBytes,
- Signature: sig,
- }
- if err := c.writePacket(Marshal(&reply)); err != nil {
- return nil, err
- }
- return &kexResult{
- H: H,
- K: K,
- HostKey: hostKeyBytes,
- Signature: sig,
- Hash: crypto.SHA256,
- }, nil
-}
diff --git a/vendor/golang.org/x/crypto/ssh/keys.go b/vendor/golang.org/x/crypto/ssh/keys.go
deleted file mode 100644
index 0324e12..0000000
--- a/vendor/golang.org/x/crypto/ssh/keys.go
+++ /dev/null
@@ -1,846 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "bytes"
- "crypto"
- "crypto/dsa"
- "crypto/ecdsa"
- "crypto/elliptic"
- "crypto/rsa"
- "crypto/x509"
- "encoding/asn1"
- "encoding/base64"
- "encoding/pem"
- "errors"
- "fmt"
- "io"
- "math/big"
- "strings"
-
- "golang.org/x/crypto/ed25519"
-)
-
-// These constants represent the algorithm names for key types supported by this
-// package.
-const (
- KeyAlgoRSA = "ssh-rsa"
- KeyAlgoDSA = "ssh-dss"
- KeyAlgoECDSA256 = "ecdsa-sha2-nistp256"
- KeyAlgoECDSA384 = "ecdsa-sha2-nistp384"
- KeyAlgoECDSA521 = "ecdsa-sha2-nistp521"
- KeyAlgoED25519 = "ssh-ed25519"
-)
-
-// parsePubKey parses a public key of the given algorithm.
-// Use ParsePublicKey for keys with prepended algorithm.
-func parsePubKey(in []byte, algo string) (pubKey PublicKey, rest []byte, err error) {
- switch algo {
- case KeyAlgoRSA:
- return parseRSA(in)
- case KeyAlgoDSA:
- return parseDSA(in)
- case KeyAlgoECDSA256, KeyAlgoECDSA384, KeyAlgoECDSA521:
- return parseECDSA(in)
- case KeyAlgoED25519:
- return parseED25519(in)
- case CertAlgoRSAv01, CertAlgoDSAv01, CertAlgoECDSA256v01, CertAlgoECDSA384v01, CertAlgoECDSA521v01, CertAlgoED25519v01:
- cert, err := parseCert(in, certToPrivAlgo(algo))
- if err != nil {
- return nil, nil, err
- }
- return cert, nil, nil
- }
- return nil, nil, fmt.Errorf("ssh: unknown key algorithm: %v", algo)
-}
-
-// parseAuthorizedKey parses a public key in OpenSSH authorized_keys format
-// (see sshd(8) manual page) once the options and key type fields have been
-// removed.
-func parseAuthorizedKey(in []byte) (out PublicKey, comment string, err error) {
- in = bytes.TrimSpace(in)
-
- i := bytes.IndexAny(in, " \t")
- if i == -1 {
- i = len(in)
- }
- base64Key := in[:i]
-
- key := make([]byte, base64.StdEncoding.DecodedLen(len(base64Key)))
- n, err := base64.StdEncoding.Decode(key, base64Key)
- if err != nil {
- return nil, "", err
- }
- key = key[:n]
- out, err = ParsePublicKey(key)
- if err != nil {
- return nil, "", err
- }
- comment = string(bytes.TrimSpace(in[i:]))
- return out, comment, nil
-}
-
-// ParseKnownHosts parses an entry in the format of the known_hosts file.
-//
-// The known_hosts format is documented in the sshd(8) manual page. This
-// function will parse a single entry from in. On successful return, marker
-// will contain the optional marker value (i.e. "cert-authority" or "revoked")
-// or else be empty, hosts will contain the hosts that this entry matches,
-// pubKey will contain the public key and comment will contain any trailing
-// comment at the end of the line. See the sshd(8) manual page for the various
-// forms that a host string can take.
-//
-// The unparsed remainder of the input will be returned in rest. This function
-// can be called repeatedly to parse multiple entries.
-//
-// If no entries were found in the input then err will be io.EOF. Otherwise a
-// non-nil err value indicates a parse error.
-func ParseKnownHosts(in []byte) (marker string, hosts []string, pubKey PublicKey, comment string, rest []byte, err error) {
- for len(in) > 0 {
- end := bytes.IndexByte(in, '\n')
- if end != -1 {
- rest = in[end+1:]
- in = in[:end]
- } else {
- rest = nil
- }
-
- end = bytes.IndexByte(in, '\r')
- if end != -1 {
- in = in[:end]
- }
-
- in = bytes.TrimSpace(in)
- if len(in) == 0 || in[0] == '#' {
- in = rest
- continue
- }
-
- i := bytes.IndexAny(in, " \t")
- if i == -1 {
- in = rest
- continue
- }
-
- // Strip out the beginning of the known_host key.
- // This is either an optional marker or a (set of) hostname(s).
- keyFields := bytes.Fields(in)
- if len(keyFields) < 3 || len(keyFields) > 5 {
- return "", nil, nil, "", nil, errors.New("ssh: invalid entry in known_hosts data")
- }
-
- // keyFields[0] is either "@cert-authority", "@revoked" or a comma separated
- // list of hosts
- marker := ""
- if keyFields[0][0] == '@' {
- marker = string(keyFields[0][1:])
- keyFields = keyFields[1:]
- }
-
- hosts := string(keyFields[0])
- // keyFields[1] contains the key type (e.g. “ssh-rsa”).
- // However, that information is duplicated inside the
- // base64-encoded key and so is ignored here.
-
- key := bytes.Join(keyFields[2:], []byte(" "))
- if pubKey, comment, err = parseAuthorizedKey(key); err != nil {
- return "", nil, nil, "", nil, err
- }
-
- return marker, strings.Split(hosts, ","), pubKey, comment, rest, nil
- }
-
- return "", nil, nil, "", nil, io.EOF
-}
-
-// ParseAuthorizedKeys parses a public key from an authorized_keys
-// file used in OpenSSH according to the sshd(8) manual page.
-func ParseAuthorizedKey(in []byte) (out PublicKey, comment string, options []string, rest []byte, err error) {
- for len(in) > 0 {
- end := bytes.IndexByte(in, '\n')
- if end != -1 {
- rest = in[end+1:]
- in = in[:end]
- } else {
- rest = nil
- }
-
- end = bytes.IndexByte(in, '\r')
- if end != -1 {
- in = in[:end]
- }
-
- in = bytes.TrimSpace(in)
- if len(in) == 0 || in[0] == '#' {
- in = rest
- continue
- }
-
- i := bytes.IndexAny(in, " \t")
- if i == -1 {
- in = rest
- continue
- }
-
- if out, comment, err = parseAuthorizedKey(in[i:]); err == nil {
- return out, comment, options, rest, nil
- }
-
- // No key type recognised. Maybe there's an options field at
- // the beginning.
- var b byte
- inQuote := false
- var candidateOptions []string
- optionStart := 0
- for i, b = range in {
- isEnd := !inQuote && (b == ' ' || b == '\t')
- if (b == ',' && !inQuote) || isEnd {
- if i-optionStart > 0 {
- candidateOptions = append(candidateOptions, string(in[optionStart:i]))
- }
- optionStart = i + 1
- }
- if isEnd {
- break
- }
- if b == '"' && (i == 0 || (i > 0 && in[i-1] != '\\')) {
- inQuote = !inQuote
- }
- }
- for i < len(in) && (in[i] == ' ' || in[i] == '\t') {
- i++
- }
- if i == len(in) {
- // Invalid line: unmatched quote
- in = rest
- continue
- }
-
- in = in[i:]
- i = bytes.IndexAny(in, " \t")
- if i == -1 {
- in = rest
- continue
- }
-
- if out, comment, err = parseAuthorizedKey(in[i:]); err == nil {
- options = candidateOptions
- return out, comment, options, rest, nil
- }
-
- in = rest
- continue
- }
-
- return nil, "", nil, nil, errors.New("ssh: no key found")
-}
-
-// ParsePublicKey parses an SSH public key formatted for use in
-// the SSH wire protocol according to RFC 4253, section 6.6.
-func ParsePublicKey(in []byte) (out PublicKey, err error) {
- algo, in, ok := parseString(in)
- if !ok {
- return nil, errShortRead
- }
- var rest []byte
- out, rest, err = parsePubKey(in, string(algo))
- if len(rest) > 0 {
- return nil, errors.New("ssh: trailing junk in public key")
- }
-
- return out, err
-}
-
-// MarshalAuthorizedKey serializes key for inclusion in an OpenSSH
-// authorized_keys file. The return value ends with newline.
-func MarshalAuthorizedKey(key PublicKey) []byte {
- b := &bytes.Buffer{}
- b.WriteString(key.Type())
- b.WriteByte(' ')
- e := base64.NewEncoder(base64.StdEncoding, b)
- e.Write(key.Marshal())
- e.Close()
- b.WriteByte('\n')
- return b.Bytes()
-}
-
-// PublicKey is an abstraction of different types of public keys.
-type PublicKey interface {
- // Type returns the key's type, e.g. "ssh-rsa".
- Type() string
-
- // Marshal returns the serialized key data in SSH wire format,
- // with the name prefix.
- Marshal() []byte
-
- // Verify that sig is a signature on the given data using this
- // key. This function will hash the data appropriately first.
- Verify(data []byte, sig *Signature) error
-}
-
-// A Signer can create signatures that verify against a public key.
-type Signer interface {
- // PublicKey returns an associated PublicKey instance.
- PublicKey() PublicKey
-
- // Sign returns raw signature for the given data. This method
- // will apply the hash specified for the keytype to the data.
- Sign(rand io.Reader, data []byte) (*Signature, error)
-}
-
-type rsaPublicKey rsa.PublicKey
-
-func (r *rsaPublicKey) Type() string {
- return "ssh-rsa"
-}
-
-// parseRSA parses an RSA key according to RFC 4253, section 6.6.
-func parseRSA(in []byte) (out PublicKey, rest []byte, err error) {
- var w struct {
- E *big.Int
- N *big.Int
- Rest []byte `ssh:"rest"`
- }
- if err := Unmarshal(in, &w); err != nil {
- return nil, nil, err
- }
-
- if w.E.BitLen() > 24 {
- return nil, nil, errors.New("ssh: exponent too large")
- }
- e := w.E.Int64()
- if e < 3 || e&1 == 0 {
- return nil, nil, errors.New("ssh: incorrect exponent")
- }
-
- var key rsa.PublicKey
- key.E = int(e)
- key.N = w.N
- return (*rsaPublicKey)(&key), w.Rest, nil
-}
-
-func (r *rsaPublicKey) Marshal() []byte {
- e := new(big.Int).SetInt64(int64(r.E))
- // RSA publickey struct layout should match the struct used by
- // parseRSACert in the x/crypto/ssh/agent package.
- wirekey := struct {
- Name string
- E *big.Int
- N *big.Int
- }{
- KeyAlgoRSA,
- e,
- r.N,
- }
- return Marshal(&wirekey)
-}
-
-func (r *rsaPublicKey) Verify(data []byte, sig *Signature) error {
- if sig.Format != r.Type() {
- return fmt.Errorf("ssh: signature type %s for key type %s", sig.Format, r.Type())
- }
- h := crypto.SHA1.New()
- h.Write(data)
- digest := h.Sum(nil)
- return rsa.VerifyPKCS1v15((*rsa.PublicKey)(r), crypto.SHA1, digest, sig.Blob)
-}
-
-type dsaPublicKey dsa.PublicKey
-
-func (r *dsaPublicKey) Type() string {
- return "ssh-dss"
-}
-
-// parseDSA parses an DSA key according to RFC 4253, section 6.6.
-func parseDSA(in []byte) (out PublicKey, rest []byte, err error) {
- var w struct {
- P, Q, G, Y *big.Int
- Rest []byte `ssh:"rest"`
- }
- if err := Unmarshal(in, &w); err != nil {
- return nil, nil, err
- }
-
- key := &dsaPublicKey{
- Parameters: dsa.Parameters{
- P: w.P,
- Q: w.Q,
- G: w.G,
- },
- Y: w.Y,
- }
- return key, w.Rest, nil
-}
-
-func (k *dsaPublicKey) Marshal() []byte {
- // DSA publickey struct layout should match the struct used by
- // parseDSACert in the x/crypto/ssh/agent package.
- w := struct {
- Name string
- P, Q, G, Y *big.Int
- }{
- k.Type(),
- k.P,
- k.Q,
- k.G,
- k.Y,
- }
-
- return Marshal(&w)
-}
-
-func (k *dsaPublicKey) Verify(data []byte, sig *Signature) error {
- if sig.Format != k.Type() {
- return fmt.Errorf("ssh: signature type %s for key type %s", sig.Format, k.Type())
- }
- h := crypto.SHA1.New()
- h.Write(data)
- digest := h.Sum(nil)
-
- // Per RFC 4253, section 6.6,
- // The value for 'dss_signature_blob' is encoded as a string containing
- // r, followed by s (which are 160-bit integers, without lengths or
- // padding, unsigned, and in network byte order).
- // For DSS purposes, sig.Blob should be exactly 40 bytes in length.
- if len(sig.Blob) != 40 {
- return errors.New("ssh: DSA signature parse error")
- }
- r := new(big.Int).SetBytes(sig.Blob[:20])
- s := new(big.Int).SetBytes(sig.Blob[20:])
- if dsa.Verify((*dsa.PublicKey)(k), digest, r, s) {
- return nil
- }
- return errors.New("ssh: signature did not verify")
-}
-
-type dsaPrivateKey struct {
- *dsa.PrivateKey
-}
-
-func (k *dsaPrivateKey) PublicKey() PublicKey {
- return (*dsaPublicKey)(&k.PrivateKey.PublicKey)
-}
-
-func (k *dsaPrivateKey) Sign(rand io.Reader, data []byte) (*Signature, error) {
- h := crypto.SHA1.New()
- h.Write(data)
- digest := h.Sum(nil)
- r, s, err := dsa.Sign(rand, k.PrivateKey, digest)
- if err != nil {
- return nil, err
- }
-
- sig := make([]byte, 40)
- rb := r.Bytes()
- sb := s.Bytes()
-
- copy(sig[20-len(rb):20], rb)
- copy(sig[40-len(sb):], sb)
-
- return &Signature{
- Format: k.PublicKey().Type(),
- Blob: sig,
- }, nil
-}
-
-type ecdsaPublicKey ecdsa.PublicKey
-
-func (key *ecdsaPublicKey) Type() string {
- return "ecdsa-sha2-" + key.nistID()
-}
-
-func (key *ecdsaPublicKey) nistID() string {
- switch key.Params().BitSize {
- case 256:
- return "nistp256"
- case 384:
- return "nistp384"
- case 521:
- return "nistp521"
- }
- panic("ssh: unsupported ecdsa key size")
-}
-
-type ed25519PublicKey ed25519.PublicKey
-
-func (key ed25519PublicKey) Type() string {
- return KeyAlgoED25519
-}
-
-func parseED25519(in []byte) (out PublicKey, rest []byte, err error) {
- var w struct {
- KeyBytes []byte
- Rest []byte `ssh:"rest"`
- }
-
- if err := Unmarshal(in, &w); err != nil {
- return nil, nil, err
- }
-
- key := ed25519.PublicKey(w.KeyBytes)
-
- return (ed25519PublicKey)(key), w.Rest, nil
-}
-
-func (key ed25519PublicKey) Marshal() []byte {
- w := struct {
- Name string
- KeyBytes []byte
- }{
- KeyAlgoED25519,
- []byte(key),
- }
- return Marshal(&w)
-}
-
-func (key ed25519PublicKey) Verify(b []byte, sig *Signature) error {
- if sig.Format != key.Type() {
- return fmt.Errorf("ssh: signature type %s for key type %s", sig.Format, key.Type())
- }
-
- edKey := (ed25519.PublicKey)(key)
- if ok := ed25519.Verify(edKey, b, sig.Blob); !ok {
- return errors.New("ssh: signature did not verify")
- }
-
- return nil
-}
-
-func supportedEllipticCurve(curve elliptic.Curve) bool {
- return curve == elliptic.P256() || curve == elliptic.P384() || curve == elliptic.P521()
-}
-
-// ecHash returns the hash to match the given elliptic curve, see RFC
-// 5656, section 6.2.1
-func ecHash(curve elliptic.Curve) crypto.Hash {
- bitSize := curve.Params().BitSize
- switch {
- case bitSize <= 256:
- return crypto.SHA256
- case bitSize <= 384:
- return crypto.SHA384
- }
- return crypto.SHA512
-}
-
-// parseECDSA parses an ECDSA key according to RFC 5656, section 3.1.
-func parseECDSA(in []byte) (out PublicKey, rest []byte, err error) {
- var w struct {
- Curve string
- KeyBytes []byte
- Rest []byte `ssh:"rest"`
- }
-
- if err := Unmarshal(in, &w); err != nil {
- return nil, nil, err
- }
-
- key := new(ecdsa.PublicKey)
-
- switch w.Curve {
- case "nistp256":
- key.Curve = elliptic.P256()
- case "nistp384":
- key.Curve = elliptic.P384()
- case "nistp521":
- key.Curve = elliptic.P521()
- default:
- return nil, nil, errors.New("ssh: unsupported curve")
- }
-
- key.X, key.Y = elliptic.Unmarshal(key.Curve, w.KeyBytes)
- if key.X == nil || key.Y == nil {
- return nil, nil, errors.New("ssh: invalid curve point")
- }
- return (*ecdsaPublicKey)(key), w.Rest, nil
-}
-
-func (key *ecdsaPublicKey) Marshal() []byte {
- // See RFC 5656, section 3.1.
- keyBytes := elliptic.Marshal(key.Curve, key.X, key.Y)
- // ECDSA publickey struct layout should match the struct used by
- // parseECDSACert in the x/crypto/ssh/agent package.
- w := struct {
- Name string
- ID string
- Key []byte
- }{
- key.Type(),
- key.nistID(),
- keyBytes,
- }
-
- return Marshal(&w)
-}
-
-func (key *ecdsaPublicKey) Verify(data []byte, sig *Signature) error {
- if sig.Format != key.Type() {
- return fmt.Errorf("ssh: signature type %s for key type %s", sig.Format, key.Type())
- }
-
- h := ecHash(key.Curve).New()
- h.Write(data)
- digest := h.Sum(nil)
-
- // Per RFC 5656, section 3.1.2,
- // The ecdsa_signature_blob value has the following specific encoding:
- // mpint r
- // mpint s
- var ecSig struct {
- R *big.Int
- S *big.Int
- }
-
- if err := Unmarshal(sig.Blob, &ecSig); err != nil {
- return err
- }
-
- if ecdsa.Verify((*ecdsa.PublicKey)(key), digest, ecSig.R, ecSig.S) {
- return nil
- }
- return errors.New("ssh: signature did not verify")
-}
-
-// NewSignerFromKey takes an *rsa.PrivateKey, *dsa.PrivateKey,
-// *ecdsa.PrivateKey or any other crypto.Signer and returns a corresponding
-// Signer instance. ECDSA keys must use P-256, P-384 or P-521.
-func NewSignerFromKey(key interface{}) (Signer, error) {
- switch key := key.(type) {
- case crypto.Signer:
- return NewSignerFromSigner(key)
- case *dsa.PrivateKey:
- return &dsaPrivateKey{key}, nil
- default:
- return nil, fmt.Errorf("ssh: unsupported key type %T", key)
- }
-}
-
-type wrappedSigner struct {
- signer crypto.Signer
- pubKey PublicKey
-}
-
-// NewSignerFromSigner takes any crypto.Signer implementation and
-// returns a corresponding Signer interface. This can be used, for
-// example, with keys kept in hardware modules.
-func NewSignerFromSigner(signer crypto.Signer) (Signer, error) {
- pubKey, err := NewPublicKey(signer.Public())
- if err != nil {
- return nil, err
- }
-
- return &wrappedSigner{signer, pubKey}, nil
-}
-
-func (s *wrappedSigner) PublicKey() PublicKey {
- return s.pubKey
-}
-
-func (s *wrappedSigner) Sign(rand io.Reader, data []byte) (*Signature, error) {
- var hashFunc crypto.Hash
-
- switch key := s.pubKey.(type) {
- case *rsaPublicKey, *dsaPublicKey:
- hashFunc = crypto.SHA1
- case *ecdsaPublicKey:
- hashFunc = ecHash(key.Curve)
- case ed25519PublicKey:
- default:
- return nil, fmt.Errorf("ssh: unsupported key type %T", key)
- }
-
- var digest []byte
- if hashFunc != 0 {
- h := hashFunc.New()
- h.Write(data)
- digest = h.Sum(nil)
- } else {
- digest = data
- }
-
- signature, err := s.signer.Sign(rand, digest, hashFunc)
- if err != nil {
- return nil, err
- }
-
- // crypto.Signer.Sign is expected to return an ASN.1-encoded signature
- // for ECDSA and DSA, but that's not the encoding expected by SSH, so
- // re-encode.
- switch s.pubKey.(type) {
- case *ecdsaPublicKey, *dsaPublicKey:
- type asn1Signature struct {
- R, S *big.Int
- }
- asn1Sig := new(asn1Signature)
- _, err := asn1.Unmarshal(signature, asn1Sig)
- if err != nil {
- return nil, err
- }
-
- switch s.pubKey.(type) {
- case *ecdsaPublicKey:
- signature = Marshal(asn1Sig)
-
- case *dsaPublicKey:
- signature = make([]byte, 40)
- r := asn1Sig.R.Bytes()
- s := asn1Sig.S.Bytes()
- copy(signature[20-len(r):20], r)
- copy(signature[40-len(s):40], s)
- }
- }
-
- return &Signature{
- Format: s.pubKey.Type(),
- Blob: signature,
- }, nil
-}
-
-// NewPublicKey takes an *rsa.PublicKey, *dsa.PublicKey, *ecdsa.PublicKey,
-// ed25519.PublicKey, or any other crypto.Signer and returns a corresponding
-// Signer instance. ECDSA keys must use P-256, P-384 or P-521.
-func NewPublicKey(key interface{}) (PublicKey, error) {
- switch key := key.(type) {
- case *rsa.PublicKey:
- return (*rsaPublicKey)(key), nil
- case *ecdsa.PublicKey:
- if !supportedEllipticCurve(key.Curve) {
- return nil, errors.New("ssh: only P-256, P-384 and P-521 EC keys are supported.")
- }
- return (*ecdsaPublicKey)(key), nil
- case *dsa.PublicKey:
- return (*dsaPublicKey)(key), nil
- case ed25519.PublicKey:
- return (ed25519PublicKey)(key), nil
- default:
- return nil, fmt.Errorf("ssh: unsupported key type %T", key)
- }
-}
-
-// ParsePrivateKey returns a Signer from a PEM encoded private key. It supports
-// the same keys as ParseRawPrivateKey.
-func ParsePrivateKey(pemBytes []byte) (Signer, error) {
- key, err := ParseRawPrivateKey(pemBytes)
- if err != nil {
- return nil, err
- }
-
- return NewSignerFromKey(key)
-}
-
-// ParseRawPrivateKey returns a private key from a PEM encoded private key. It
-// supports RSA (PKCS#1), DSA (OpenSSL), and ECDSA private keys.
-func ParseRawPrivateKey(pemBytes []byte) (interface{}, error) {
- block, _ := pem.Decode(pemBytes)
- if block == nil {
- return nil, errors.New("ssh: no key found")
- }
-
- switch block.Type {
- case "RSA PRIVATE KEY":
- return x509.ParsePKCS1PrivateKey(block.Bytes)
- case "EC PRIVATE KEY":
- return x509.ParseECPrivateKey(block.Bytes)
- case "DSA PRIVATE KEY":
- return ParseDSAPrivateKey(block.Bytes)
- case "OPENSSH PRIVATE KEY":
- return parseOpenSSHPrivateKey(block.Bytes)
- default:
- return nil, fmt.Errorf("ssh: unsupported key type %q", block.Type)
- }
-}
-
-// ParseDSAPrivateKey returns a DSA private key from its ASN.1 DER encoding, as
-// specified by the OpenSSL DSA man page.
-func ParseDSAPrivateKey(der []byte) (*dsa.PrivateKey, error) {
- var k struct {
- Version int
- P *big.Int
- Q *big.Int
- G *big.Int
- Priv *big.Int
- Pub *big.Int
- }
- rest, err := asn1.Unmarshal(der, &k)
- if err != nil {
- return nil, errors.New("ssh: failed to parse DSA key: " + err.Error())
- }
- if len(rest) > 0 {
- return nil, errors.New("ssh: garbage after DSA key")
- }
-
- return &dsa.PrivateKey{
- PublicKey: dsa.PublicKey{
- Parameters: dsa.Parameters{
- P: k.P,
- Q: k.Q,
- G: k.G,
- },
- Y: k.Priv,
- },
- X: k.Pub,
- }, nil
-}
-
-// Implemented based on the documentation at
-// https://github.com/openssh/openssh-portable/blob/master/PROTOCOL.key
-func parseOpenSSHPrivateKey(key []byte) (*ed25519.PrivateKey, error) {
- magic := append([]byte("openssh-key-v1"), 0)
- if !bytes.Equal(magic, key[0:len(magic)]) {
- return nil, errors.New("ssh: invalid openssh private key format")
- }
- remaining := key[len(magic):]
-
- var w struct {
- CipherName string
- KdfName string
- KdfOpts string
- NumKeys uint32
- PubKey []byte
- PrivKeyBlock []byte
- }
-
- if err := Unmarshal(remaining, &w); err != nil {
- return nil, err
- }
-
- pk1 := struct {
- Check1 uint32
- Check2 uint32
- Keytype string
- Pub []byte
- Priv []byte
- Comment string
- Pad []byte `ssh:"rest"`
- }{}
-
- if err := Unmarshal(w.PrivKeyBlock, &pk1); err != nil {
- return nil, err
- }
-
- if pk1.Check1 != pk1.Check2 {
- return nil, errors.New("ssh: checkint mismatch")
- }
-
- // we only handle ed25519 keys currently
- if pk1.Keytype != KeyAlgoED25519 {
- return nil, errors.New("ssh: unhandled key type")
- }
-
- for i, b := range pk1.Pad {
- if int(b) != i+1 {
- return nil, errors.New("ssh: padding not as expected")
- }
- }
-
- if len(pk1.Priv) != ed25519.PrivateKeySize {
- return nil, errors.New("ssh: private key unexpected length")
- }
-
- pk := ed25519.PrivateKey(make([]byte, ed25519.PrivateKeySize))
- copy(pk, pk1.Priv)
- return &pk, nil
-}
diff --git a/vendor/golang.org/x/crypto/ssh/mac.go b/vendor/golang.org/x/crypto/ssh/mac.go
deleted file mode 100644
index 07744ad..0000000
--- a/vendor/golang.org/x/crypto/ssh/mac.go
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright 2012 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-// Message authentication support
-
-import (
- "crypto/hmac"
- "crypto/sha1"
- "crypto/sha256"
- "hash"
-)
-
-type macMode struct {
- keySize int
- new func(key []byte) hash.Hash
-}
-
-// truncatingMAC wraps around a hash.Hash and truncates the output digest to
-// a given size.
-type truncatingMAC struct {
- length int
- hmac hash.Hash
-}
-
-func (t truncatingMAC) Write(data []byte) (int, error) {
- return t.hmac.Write(data)
-}
-
-func (t truncatingMAC) Sum(in []byte) []byte {
- out := t.hmac.Sum(in)
- return out[:len(in)+t.length]
-}
-
-func (t truncatingMAC) Reset() {
- t.hmac.Reset()
-}
-
-func (t truncatingMAC) Size() int {
- return t.length
-}
-
-func (t truncatingMAC) BlockSize() int { return t.hmac.BlockSize() }
-
-var macModes = map[string]*macMode{
- "hmac-sha2-256": {32, func(key []byte) hash.Hash {
- return hmac.New(sha256.New, key)
- }},
- "hmac-sha1": {20, func(key []byte) hash.Hash {
- return hmac.New(sha1.New, key)
- }},
- "hmac-sha1-96": {20, func(key []byte) hash.Hash {
- return truncatingMAC{12, hmac.New(sha1.New, key)}
- }},
-}
diff --git a/vendor/golang.org/x/crypto/ssh/messages.go b/vendor/golang.org/x/crypto/ssh/messages.go
deleted file mode 100644
index e6ecd3a..0000000
--- a/vendor/golang.org/x/crypto/ssh/messages.go
+++ /dev/null
@@ -1,758 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "bytes"
- "encoding/binary"
- "errors"
- "fmt"
- "io"
- "math/big"
- "reflect"
- "strconv"
- "strings"
-)
-
-// These are SSH message type numbers. They are scattered around several
-// documents but many were taken from [SSH-PARAMETERS].
-const (
- msgIgnore = 2
- msgUnimplemented = 3
- msgDebug = 4
- msgNewKeys = 21
-
- // Standard authentication messages
- msgUserAuthSuccess = 52
- msgUserAuthBanner = 53
-)
-
-// SSH messages:
-//
-// These structures mirror the wire format of the corresponding SSH messages.
-// They are marshaled using reflection with the marshal and unmarshal functions
-// in this file. The only wrinkle is that a final member of type []byte with a
-// ssh tag of "rest" receives the remainder of a packet when unmarshaling.
-
-// See RFC 4253, section 11.1.
-const msgDisconnect = 1
-
-// disconnectMsg is the message that signals a disconnect. It is also
-// the error type returned from mux.Wait()
-type disconnectMsg struct {
- Reason uint32 `sshtype:"1"`
- Message string
- Language string
-}
-
-func (d *disconnectMsg) Error() string {
- return fmt.Sprintf("ssh: disconnect, reason %d: %s", d.Reason, d.Message)
-}
-
-// See RFC 4253, section 7.1.
-const msgKexInit = 20
-
-type kexInitMsg struct {
- Cookie [16]byte `sshtype:"20"`
- KexAlgos []string
- ServerHostKeyAlgos []string
- CiphersClientServer []string
- CiphersServerClient []string
- MACsClientServer []string
- MACsServerClient []string
- CompressionClientServer []string
- CompressionServerClient []string
- LanguagesClientServer []string
- LanguagesServerClient []string
- FirstKexFollows bool
- Reserved uint32
-}
-
-// See RFC 4253, section 8.
-
-// Diffie-Helman
-const msgKexDHInit = 30
-
-type kexDHInitMsg struct {
- X *big.Int `sshtype:"30"`
-}
-
-const msgKexECDHInit = 30
-
-type kexECDHInitMsg struct {
- ClientPubKey []byte `sshtype:"30"`
-}
-
-const msgKexECDHReply = 31
-
-type kexECDHReplyMsg struct {
- HostKey []byte `sshtype:"31"`
- EphemeralPubKey []byte
- Signature []byte
-}
-
-const msgKexDHReply = 31
-
-type kexDHReplyMsg struct {
- HostKey []byte `sshtype:"31"`
- Y *big.Int
- Signature []byte
-}
-
-// See RFC 4253, section 10.
-const msgServiceRequest = 5
-
-type serviceRequestMsg struct {
- Service string `sshtype:"5"`
-}
-
-// See RFC 4253, section 10.
-const msgServiceAccept = 6
-
-type serviceAcceptMsg struct {
- Service string `sshtype:"6"`
-}
-
-// See RFC 4252, section 5.
-const msgUserAuthRequest = 50
-
-type userAuthRequestMsg struct {
- User string `sshtype:"50"`
- Service string
- Method string
- Payload []byte `ssh:"rest"`
-}
-
-// Used for debug printouts of packets.
-type userAuthSuccessMsg struct {
-}
-
-// See RFC 4252, section 5.1
-const msgUserAuthFailure = 51
-
-type userAuthFailureMsg struct {
- Methods []string `sshtype:"51"`
- PartialSuccess bool
-}
-
-// See RFC 4256, section 3.2
-const msgUserAuthInfoRequest = 60
-const msgUserAuthInfoResponse = 61
-
-type userAuthInfoRequestMsg struct {
- User string `sshtype:"60"`
- Instruction string
- DeprecatedLanguage string
- NumPrompts uint32
- Prompts []byte `ssh:"rest"`
-}
-
-// See RFC 4254, section 5.1.
-const msgChannelOpen = 90
-
-type channelOpenMsg struct {
- ChanType string `sshtype:"90"`
- PeersId uint32
- PeersWindow uint32
- MaxPacketSize uint32
- TypeSpecificData []byte `ssh:"rest"`
-}
-
-const msgChannelExtendedData = 95
-const msgChannelData = 94
-
-// Used for debug print outs of packets.
-type channelDataMsg struct {
- PeersId uint32 `sshtype:"94"`
- Length uint32
- Rest []byte `ssh:"rest"`
-}
-
-// See RFC 4254, section 5.1.
-const msgChannelOpenConfirm = 91
-
-type channelOpenConfirmMsg struct {
- PeersId uint32 `sshtype:"91"`
- MyId uint32
- MyWindow uint32
- MaxPacketSize uint32
- TypeSpecificData []byte `ssh:"rest"`
-}
-
-// See RFC 4254, section 5.1.
-const msgChannelOpenFailure = 92
-
-type channelOpenFailureMsg struct {
- PeersId uint32 `sshtype:"92"`
- Reason RejectionReason
- Message string
- Language string
-}
-
-const msgChannelRequest = 98
-
-type channelRequestMsg struct {
- PeersId uint32 `sshtype:"98"`
- Request string
- WantReply bool
- RequestSpecificData []byte `ssh:"rest"`
-}
-
-// See RFC 4254, section 5.4.
-const msgChannelSuccess = 99
-
-type channelRequestSuccessMsg struct {
- PeersId uint32 `sshtype:"99"`
-}
-
-// See RFC 4254, section 5.4.
-const msgChannelFailure = 100
-
-type channelRequestFailureMsg struct {
- PeersId uint32 `sshtype:"100"`
-}
-
-// See RFC 4254, section 5.3
-const msgChannelClose = 97
-
-type channelCloseMsg struct {
- PeersId uint32 `sshtype:"97"`
-}
-
-// See RFC 4254, section 5.3
-const msgChannelEOF = 96
-
-type channelEOFMsg struct {
- PeersId uint32 `sshtype:"96"`
-}
-
-// See RFC 4254, section 4
-const msgGlobalRequest = 80
-
-type globalRequestMsg struct {
- Type string `sshtype:"80"`
- WantReply bool
- Data []byte `ssh:"rest"`
-}
-
-// See RFC 4254, section 4
-const msgRequestSuccess = 81
-
-type globalRequestSuccessMsg struct {
- Data []byte `ssh:"rest" sshtype:"81"`
-}
-
-// See RFC 4254, section 4
-const msgRequestFailure = 82
-
-type globalRequestFailureMsg struct {
- Data []byte `ssh:"rest" sshtype:"82"`
-}
-
-// See RFC 4254, section 5.2
-const msgChannelWindowAdjust = 93
-
-type windowAdjustMsg struct {
- PeersId uint32 `sshtype:"93"`
- AdditionalBytes uint32
-}
-
-// See RFC 4252, section 7
-const msgUserAuthPubKeyOk = 60
-
-type userAuthPubKeyOkMsg struct {
- Algo string `sshtype:"60"`
- PubKey []byte
-}
-
-// typeTags returns the possible type bytes for the given reflect.Type, which
-// should be a struct. The possible values are separated by a '|' character.
-func typeTags(structType reflect.Type) (tags []byte) {
- tagStr := structType.Field(0).Tag.Get("sshtype")
-
- for _, tag := range strings.Split(tagStr, "|") {
- i, err := strconv.Atoi(tag)
- if err == nil {
- tags = append(tags, byte(i))
- }
- }
-
- return tags
-}
-
-func fieldError(t reflect.Type, field int, problem string) error {
- if problem != "" {
- problem = ": " + problem
- }
- return fmt.Errorf("ssh: unmarshal error for field %s of type %s%s", t.Field(field).Name, t.Name(), problem)
-}
-
-var errShortRead = errors.New("ssh: short read")
-
-// Unmarshal parses data in SSH wire format into a structure. The out
-// argument should be a pointer to struct. If the first member of the
-// struct has the "sshtype" tag set to a '|'-separated set of numbers
-// in decimal, the packet must start with one of those numbers. In
-// case of error, Unmarshal returns a ParseError or
-// UnexpectedMessageError.
-func Unmarshal(data []byte, out interface{}) error {
- v := reflect.ValueOf(out).Elem()
- structType := v.Type()
- expectedTypes := typeTags(structType)
-
- var expectedType byte
- if len(expectedTypes) > 0 {
- expectedType = expectedTypes[0]
- }
-
- if len(data) == 0 {
- return parseError(expectedType)
- }
-
- if len(expectedTypes) > 0 {
- goodType := false
- for _, e := range expectedTypes {
- if e > 0 && data[0] == e {
- goodType = true
- break
- }
- }
- if !goodType {
- return fmt.Errorf("ssh: unexpected message type %d (expected one of %v)", data[0], expectedTypes)
- }
- data = data[1:]
- }
-
- var ok bool
- for i := 0; i < v.NumField(); i++ {
- field := v.Field(i)
- t := field.Type()
- switch t.Kind() {
- case reflect.Bool:
- if len(data) < 1 {
- return errShortRead
- }
- field.SetBool(data[0] != 0)
- data = data[1:]
- case reflect.Array:
- if t.Elem().Kind() != reflect.Uint8 {
- return fieldError(structType, i, "array of unsupported type")
- }
- if len(data) < t.Len() {
- return errShortRead
- }
- for j, n := 0, t.Len(); j < n; j++ {
- field.Index(j).Set(reflect.ValueOf(data[j]))
- }
- data = data[t.Len():]
- case reflect.Uint64:
- var u64 uint64
- if u64, data, ok = parseUint64(data); !ok {
- return errShortRead
- }
- field.SetUint(u64)
- case reflect.Uint32:
- var u32 uint32
- if u32, data, ok = parseUint32(data); !ok {
- return errShortRead
- }
- field.SetUint(uint64(u32))
- case reflect.Uint8:
- if len(data) < 1 {
- return errShortRead
- }
- field.SetUint(uint64(data[0]))
- data = data[1:]
- case reflect.String:
- var s []byte
- if s, data, ok = parseString(data); !ok {
- return fieldError(structType, i, "")
- }
- field.SetString(string(s))
- case reflect.Slice:
- switch t.Elem().Kind() {
- case reflect.Uint8:
- if structType.Field(i).Tag.Get("ssh") == "rest" {
- field.Set(reflect.ValueOf(data))
- data = nil
- } else {
- var s []byte
- if s, data, ok = parseString(data); !ok {
- return errShortRead
- }
- field.Set(reflect.ValueOf(s))
- }
- case reflect.String:
- var nl []string
- if nl, data, ok = parseNameList(data); !ok {
- return errShortRead
- }
- field.Set(reflect.ValueOf(nl))
- default:
- return fieldError(structType, i, "slice of unsupported type")
- }
- case reflect.Ptr:
- if t == bigIntType {
- var n *big.Int
- if n, data, ok = parseInt(data); !ok {
- return errShortRead
- }
- field.Set(reflect.ValueOf(n))
- } else {
- return fieldError(structType, i, "pointer to unsupported type")
- }
- default:
- return fieldError(structType, i, fmt.Sprintf("unsupported type: %v", t))
- }
- }
-
- if len(data) != 0 {
- return parseError(expectedType)
- }
-
- return nil
-}
-
-// Marshal serializes the message in msg to SSH wire format. The msg
-// argument should be a struct or pointer to struct. If the first
-// member has the "sshtype" tag set to a number in decimal, that
-// number is prepended to the result. If the last of member has the
-// "ssh" tag set to "rest", its contents are appended to the output.
-func Marshal(msg interface{}) []byte {
- out := make([]byte, 0, 64)
- return marshalStruct(out, msg)
-}
-
-func marshalStruct(out []byte, msg interface{}) []byte {
- v := reflect.Indirect(reflect.ValueOf(msg))
- msgTypes := typeTags(v.Type())
- if len(msgTypes) > 0 {
- out = append(out, msgTypes[0])
- }
-
- for i, n := 0, v.NumField(); i < n; i++ {
- field := v.Field(i)
- switch t := field.Type(); t.Kind() {
- case reflect.Bool:
- var v uint8
- if field.Bool() {
- v = 1
- }
- out = append(out, v)
- case reflect.Array:
- if t.Elem().Kind() != reflect.Uint8 {
- panic(fmt.Sprintf("array of non-uint8 in field %d: %T", i, field.Interface()))
- }
- for j, l := 0, t.Len(); j < l; j++ {
- out = append(out, uint8(field.Index(j).Uint()))
- }
- case reflect.Uint32:
- out = appendU32(out, uint32(field.Uint()))
- case reflect.Uint64:
- out = appendU64(out, uint64(field.Uint()))
- case reflect.Uint8:
- out = append(out, uint8(field.Uint()))
- case reflect.String:
- s := field.String()
- out = appendInt(out, len(s))
- out = append(out, s...)
- case reflect.Slice:
- switch t.Elem().Kind() {
- case reflect.Uint8:
- if v.Type().Field(i).Tag.Get("ssh") != "rest" {
- out = appendInt(out, field.Len())
- }
- out = append(out, field.Bytes()...)
- case reflect.String:
- offset := len(out)
- out = appendU32(out, 0)
- if n := field.Len(); n > 0 {
- for j := 0; j < n; j++ {
- f := field.Index(j)
- if j != 0 {
- out = append(out, ',')
- }
- out = append(out, f.String()...)
- }
- // overwrite length value
- binary.BigEndian.PutUint32(out[offset:], uint32(len(out)-offset-4))
- }
- default:
- panic(fmt.Sprintf("slice of unknown type in field %d: %T", i, field.Interface()))
- }
- case reflect.Ptr:
- if t == bigIntType {
- var n *big.Int
- nValue := reflect.ValueOf(&n)
- nValue.Elem().Set(field)
- needed := intLength(n)
- oldLength := len(out)
-
- if cap(out)-len(out) < needed {
- newOut := make([]byte, len(out), 2*(len(out)+needed))
- copy(newOut, out)
- out = newOut
- }
- out = out[:oldLength+needed]
- marshalInt(out[oldLength:], n)
- } else {
- panic(fmt.Sprintf("pointer to unknown type in field %d: %T", i, field.Interface()))
- }
- }
- }
-
- return out
-}
-
-var bigOne = big.NewInt(1)
-
-func parseString(in []byte) (out, rest []byte, ok bool) {
- if len(in) < 4 {
- return
- }
- length := binary.BigEndian.Uint32(in)
- in = in[4:]
- if uint32(len(in)) < length {
- return
- }
- out = in[:length]
- rest = in[length:]
- ok = true
- return
-}
-
-var (
- comma = []byte{','}
- emptyNameList = []string{}
-)
-
-func parseNameList(in []byte) (out []string, rest []byte, ok bool) {
- contents, rest, ok := parseString(in)
- if !ok {
- return
- }
- if len(contents) == 0 {
- out = emptyNameList
- return
- }
- parts := bytes.Split(contents, comma)
- out = make([]string, len(parts))
- for i, part := range parts {
- out[i] = string(part)
- }
- return
-}
-
-func parseInt(in []byte) (out *big.Int, rest []byte, ok bool) {
- contents, rest, ok := parseString(in)
- if !ok {
- return
- }
- out = new(big.Int)
-
- if len(contents) > 0 && contents[0]&0x80 == 0x80 {
- // This is a negative number
- notBytes := make([]byte, len(contents))
- for i := range notBytes {
- notBytes[i] = ^contents[i]
- }
- out.SetBytes(notBytes)
- out.Add(out, bigOne)
- out.Neg(out)
- } else {
- // Positive number
- out.SetBytes(contents)
- }
- ok = true
- return
-}
-
-func parseUint32(in []byte) (uint32, []byte, bool) {
- if len(in) < 4 {
- return 0, nil, false
- }
- return binary.BigEndian.Uint32(in), in[4:], true
-}
-
-func parseUint64(in []byte) (uint64, []byte, bool) {
- if len(in) < 8 {
- return 0, nil, false
- }
- return binary.BigEndian.Uint64(in), in[8:], true
-}
-
-func intLength(n *big.Int) int {
- length := 4 /* length bytes */
- if n.Sign() < 0 {
- nMinus1 := new(big.Int).Neg(n)
- nMinus1.Sub(nMinus1, bigOne)
- bitLen := nMinus1.BitLen()
- if bitLen%8 == 0 {
- // The number will need 0xff padding
- length++
- }
- length += (bitLen + 7) / 8
- } else if n.Sign() == 0 {
- // A zero is the zero length string
- } else {
- bitLen := n.BitLen()
- if bitLen%8 == 0 {
- // The number will need 0x00 padding
- length++
- }
- length += (bitLen + 7) / 8
- }
-
- return length
-}
-
-func marshalUint32(to []byte, n uint32) []byte {
- binary.BigEndian.PutUint32(to, n)
- return to[4:]
-}
-
-func marshalUint64(to []byte, n uint64) []byte {
- binary.BigEndian.PutUint64(to, n)
- return to[8:]
-}
-
-func marshalInt(to []byte, n *big.Int) []byte {
- lengthBytes := to
- to = to[4:]
- length := 0
-
- if n.Sign() < 0 {
- // A negative number has to be converted to two's-complement
- // form. So we'll subtract 1 and invert. If the
- // most-significant-bit isn't set then we'll need to pad the
- // beginning with 0xff in order to keep the number negative.
- nMinus1 := new(big.Int).Neg(n)
- nMinus1.Sub(nMinus1, bigOne)
- bytes := nMinus1.Bytes()
- for i := range bytes {
- bytes[i] ^= 0xff
- }
- if len(bytes) == 0 || bytes[0]&0x80 == 0 {
- to[0] = 0xff
- to = to[1:]
- length++
- }
- nBytes := copy(to, bytes)
- to = to[nBytes:]
- length += nBytes
- } else if n.Sign() == 0 {
- // A zero is the zero length string
- } else {
- bytes := n.Bytes()
- if len(bytes) > 0 && bytes[0]&0x80 != 0 {
- // We'll have to pad this with a 0x00 in order to
- // stop it looking like a negative number.
- to[0] = 0
- to = to[1:]
- length++
- }
- nBytes := copy(to, bytes)
- to = to[nBytes:]
- length += nBytes
- }
-
- lengthBytes[0] = byte(length >> 24)
- lengthBytes[1] = byte(length >> 16)
- lengthBytes[2] = byte(length >> 8)
- lengthBytes[3] = byte(length)
- return to
-}
-
-func writeInt(w io.Writer, n *big.Int) {
- length := intLength(n)
- buf := make([]byte, length)
- marshalInt(buf, n)
- w.Write(buf)
-}
-
-func writeString(w io.Writer, s []byte) {
- var lengthBytes [4]byte
- lengthBytes[0] = byte(len(s) >> 24)
- lengthBytes[1] = byte(len(s) >> 16)
- lengthBytes[2] = byte(len(s) >> 8)
- lengthBytes[3] = byte(len(s))
- w.Write(lengthBytes[:])
- w.Write(s)
-}
-
-func stringLength(n int) int {
- return 4 + n
-}
-
-func marshalString(to []byte, s []byte) []byte {
- to[0] = byte(len(s) >> 24)
- to[1] = byte(len(s) >> 16)
- to[2] = byte(len(s) >> 8)
- to[3] = byte(len(s))
- to = to[4:]
- copy(to, s)
- return to[len(s):]
-}
-
-var bigIntType = reflect.TypeOf((*big.Int)(nil))
-
-// Decode a packet into its corresponding message.
-func decode(packet []byte) (interface{}, error) {
- var msg interface{}
- switch packet[0] {
- case msgDisconnect:
- msg = new(disconnectMsg)
- case msgServiceRequest:
- msg = new(serviceRequestMsg)
- case msgServiceAccept:
- msg = new(serviceAcceptMsg)
- case msgKexInit:
- msg = new(kexInitMsg)
- case msgKexDHInit:
- msg = new(kexDHInitMsg)
- case msgKexDHReply:
- msg = new(kexDHReplyMsg)
- case msgUserAuthRequest:
- msg = new(userAuthRequestMsg)
- case msgUserAuthSuccess:
- return new(userAuthSuccessMsg), nil
- case msgUserAuthFailure:
- msg = new(userAuthFailureMsg)
- case msgUserAuthPubKeyOk:
- msg = new(userAuthPubKeyOkMsg)
- case msgGlobalRequest:
- msg = new(globalRequestMsg)
- case msgRequestSuccess:
- msg = new(globalRequestSuccessMsg)
- case msgRequestFailure:
- msg = new(globalRequestFailureMsg)
- case msgChannelOpen:
- msg = new(channelOpenMsg)
- case msgChannelData:
- msg = new(channelDataMsg)
- case msgChannelOpenConfirm:
- msg = new(channelOpenConfirmMsg)
- case msgChannelOpenFailure:
- msg = new(channelOpenFailureMsg)
- case msgChannelWindowAdjust:
- msg = new(windowAdjustMsg)
- case msgChannelEOF:
- msg = new(channelEOFMsg)
- case msgChannelClose:
- msg = new(channelCloseMsg)
- case msgChannelRequest:
- msg = new(channelRequestMsg)
- case msgChannelSuccess:
- msg = new(channelRequestSuccessMsg)
- case msgChannelFailure:
- msg = new(channelRequestFailureMsg)
- default:
- return nil, unexpectedMessageError(0, packet[0])
- }
- if err := Unmarshal(packet, msg); err != nil {
- return nil, err
- }
- return msg, nil
-}
diff --git a/vendor/golang.org/x/crypto/ssh/mux.go b/vendor/golang.org/x/crypto/ssh/mux.go
deleted file mode 100644
index f3a3ddd..0000000
--- a/vendor/golang.org/x/crypto/ssh/mux.go
+++ /dev/null
@@ -1,330 +0,0 @@
-// Copyright 2013 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "encoding/binary"
- "fmt"
- "io"
- "log"
- "sync"
- "sync/atomic"
-)
-
-// debugMux, if set, causes messages in the connection protocol to be
-// logged.
-const debugMux = false
-
-// chanList is a thread safe channel list.
-type chanList struct {
- // protects concurrent access to chans
- sync.Mutex
-
- // chans are indexed by the local id of the channel, which the
- // other side should send in the PeersId field.
- chans []*channel
-
- // This is a debugging aid: it offsets all IDs by this
- // amount. This helps distinguish otherwise identical
- // server/client muxes
- offset uint32
-}
-
-// Assigns a channel ID to the given channel.
-func (c *chanList) add(ch *channel) uint32 {
- c.Lock()
- defer c.Unlock()
- for i := range c.chans {
- if c.chans[i] == nil {
- c.chans[i] = ch
- return uint32(i) + c.offset
- }
- }
- c.chans = append(c.chans, ch)
- return uint32(len(c.chans)-1) + c.offset
-}
-
-// getChan returns the channel for the given ID.
-func (c *chanList) getChan(id uint32) *channel {
- id -= c.offset
-
- c.Lock()
- defer c.Unlock()
- if id < uint32(len(c.chans)) {
- return c.chans[id]
- }
- return nil
-}
-
-func (c *chanList) remove(id uint32) {
- id -= c.offset
- c.Lock()
- if id < uint32(len(c.chans)) {
- c.chans[id] = nil
- }
- c.Unlock()
-}
-
-// dropAll forgets all channels it knows, returning them in a slice.
-func (c *chanList) dropAll() []*channel {
- c.Lock()
- defer c.Unlock()
- var r []*channel
-
- for _, ch := range c.chans {
- if ch == nil {
- continue
- }
- r = append(r, ch)
- }
- c.chans = nil
- return r
-}
-
-// mux represents the state for the SSH connection protocol, which
-// multiplexes many channels onto a single packet transport.
-type mux struct {
- conn packetConn
- chanList chanList
-
- incomingChannels chan NewChannel
-
- globalSentMu sync.Mutex
- globalResponses chan interface{}
- incomingRequests chan *Request
-
- errCond *sync.Cond
- err error
-}
-
-// When debugging, each new chanList instantiation has a different
-// offset.
-var globalOff uint32
-
-func (m *mux) Wait() error {
- m.errCond.L.Lock()
- defer m.errCond.L.Unlock()
- for m.err == nil {
- m.errCond.Wait()
- }
- return m.err
-}
-
-// newMux returns a mux that runs over the given connection.
-func newMux(p packetConn) *mux {
- m := &mux{
- conn: p,
- incomingChannels: make(chan NewChannel, 16),
- globalResponses: make(chan interface{}, 1),
- incomingRequests: make(chan *Request, 16),
- errCond: newCond(),
- }
- if debugMux {
- m.chanList.offset = atomic.AddUint32(&globalOff, 1)
- }
-
- go m.loop()
- return m
-}
-
-func (m *mux) sendMessage(msg interface{}) error {
- p := Marshal(msg)
- if debugMux {
- log.Printf("send global(%d): %#v", m.chanList.offset, msg)
- }
- return m.conn.writePacket(p)
-}
-
-func (m *mux) SendRequest(name string, wantReply bool, payload []byte) (bool, []byte, error) {
- if wantReply {
- m.globalSentMu.Lock()
- defer m.globalSentMu.Unlock()
- }
-
- if err := m.sendMessage(globalRequestMsg{
- Type: name,
- WantReply: wantReply,
- Data: payload,
- }); err != nil {
- return false, nil, err
- }
-
- if !wantReply {
- return false, nil, nil
- }
-
- msg, ok := <-m.globalResponses
- if !ok {
- return false, nil, io.EOF
- }
- switch msg := msg.(type) {
- case *globalRequestFailureMsg:
- return false, msg.Data, nil
- case *globalRequestSuccessMsg:
- return true, msg.Data, nil
- default:
- return false, nil, fmt.Errorf("ssh: unexpected response to request: %#v", msg)
- }
-}
-
-// ackRequest must be called after processing a global request that
-// has WantReply set.
-func (m *mux) ackRequest(ok bool, data []byte) error {
- if ok {
- return m.sendMessage(globalRequestSuccessMsg{Data: data})
- }
- return m.sendMessage(globalRequestFailureMsg{Data: data})
-}
-
-func (m *mux) Close() error {
- return m.conn.Close()
-}
-
-// loop runs the connection machine. It will process packets until an
-// error is encountered. To synchronize on loop exit, use mux.Wait.
-func (m *mux) loop() {
- var err error
- for err == nil {
- err = m.onePacket()
- }
-
- for _, ch := range m.chanList.dropAll() {
- ch.close()
- }
-
- close(m.incomingChannels)
- close(m.incomingRequests)
- close(m.globalResponses)
-
- m.conn.Close()
-
- m.errCond.L.Lock()
- m.err = err
- m.errCond.Broadcast()
- m.errCond.L.Unlock()
-
- if debugMux {
- log.Println("loop exit", err)
- }
-}
-
-// onePacket reads and processes one packet.
-func (m *mux) onePacket() error {
- packet, err := m.conn.readPacket()
- if err != nil {
- return err
- }
-
- if debugMux {
- if packet[0] == msgChannelData || packet[0] == msgChannelExtendedData {
- log.Printf("decoding(%d): data packet - %d bytes", m.chanList.offset, len(packet))
- } else {
- p, _ := decode(packet)
- log.Printf("decoding(%d): %d %#v - %d bytes", m.chanList.offset, packet[0], p, len(packet))
- }
- }
-
- switch packet[0] {
- case msgChannelOpen:
- return m.handleChannelOpen(packet)
- case msgGlobalRequest, msgRequestSuccess, msgRequestFailure:
- return m.handleGlobalPacket(packet)
- }
-
- // assume a channel packet.
- if len(packet) < 5 {
- return parseError(packet[0])
- }
- id := binary.BigEndian.Uint32(packet[1:])
- ch := m.chanList.getChan(id)
- if ch == nil {
- return fmt.Errorf("ssh: invalid channel %d", id)
- }
-
- return ch.handlePacket(packet)
-}
-
-func (m *mux) handleGlobalPacket(packet []byte) error {
- msg, err := decode(packet)
- if err != nil {
- return err
- }
-
- switch msg := msg.(type) {
- case *globalRequestMsg:
- m.incomingRequests <- &Request{
- Type: msg.Type,
- WantReply: msg.WantReply,
- Payload: msg.Data,
- mux: m,
- }
- case *globalRequestSuccessMsg, *globalRequestFailureMsg:
- m.globalResponses <- msg
- default:
- panic(fmt.Sprintf("not a global message %#v", msg))
- }
-
- return nil
-}
-
-// handleChannelOpen schedules a channel to be Accept()ed.
-func (m *mux) handleChannelOpen(packet []byte) error {
- var msg channelOpenMsg
- if err := Unmarshal(packet, &msg); err != nil {
- return err
- }
-
- if msg.MaxPacketSize < minPacketLength || msg.MaxPacketSize > 1<<31 {
- failMsg := channelOpenFailureMsg{
- PeersId: msg.PeersId,
- Reason: ConnectionFailed,
- Message: "invalid request",
- Language: "en_US.UTF-8",
- }
- return m.sendMessage(failMsg)
- }
-
- c := m.newChannel(msg.ChanType, channelInbound, msg.TypeSpecificData)
- c.remoteId = msg.PeersId
- c.maxRemotePayload = msg.MaxPacketSize
- c.remoteWin.add(msg.PeersWindow)
- m.incomingChannels <- c
- return nil
-}
-
-func (m *mux) OpenChannel(chanType string, extra []byte) (Channel, <-chan *Request, error) {
- ch, err := m.openChannel(chanType, extra)
- if err != nil {
- return nil, nil, err
- }
-
- return ch, ch.incomingRequests, nil
-}
-
-func (m *mux) openChannel(chanType string, extra []byte) (*channel, error) {
- ch := m.newChannel(chanType, channelOutbound, extra)
-
- ch.maxIncomingPayload = channelMaxPacket
-
- open := channelOpenMsg{
- ChanType: chanType,
- PeersWindow: ch.myWindow,
- MaxPacketSize: ch.maxIncomingPayload,
- TypeSpecificData: extra,
- PeersId: ch.localId,
- }
- if err := m.sendMessage(open); err != nil {
- return nil, err
- }
-
- switch msg := (<-ch.msg).(type) {
- case *channelOpenConfirmMsg:
- return ch, nil
- case *channelOpenFailureMsg:
- return nil, &OpenChannelError{msg.Reason, msg.Message}
- default:
- return nil, fmt.Errorf("ssh: unexpected packet in response to channel open: %T", msg)
- }
-}
diff --git a/vendor/golang.org/x/crypto/ssh/server.go b/vendor/golang.org/x/crypto/ssh/server.go
deleted file mode 100644
index e73a1c1..0000000
--- a/vendor/golang.org/x/crypto/ssh/server.go
+++ /dev/null
@@ -1,489 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "bytes"
- "errors"
- "fmt"
- "io"
- "net"
-)
-
-// The Permissions type holds fine-grained permissions that are
-// specific to a user or a specific authentication method for a
-// user. Permissions, except for "source-address", must be enforced in
-// the server application layer, after successful authentication. The
-// Permissions are passed on in ServerConn so a server implementation
-// can honor them.
-type Permissions struct {
- // Critical options restrict default permissions. Common
- // restrictions are "source-address" and "force-command". If
- // the server cannot enforce the restriction, or does not
- // recognize it, the user should not authenticate.
- CriticalOptions map[string]string
-
- // Extensions are extra functionality that the server may
- // offer on authenticated connections. Common extensions are
- // "permit-agent-forwarding", "permit-X11-forwarding". Lack of
- // support for an extension does not preclude authenticating a
- // user.
- Extensions map[string]string
-}
-
-// ServerConfig holds server specific configuration data.
-type ServerConfig struct {
- // Config contains configuration shared between client and server.
- Config
-
- hostKeys []Signer
-
- // NoClientAuth is true if clients are allowed to connect without
- // authenticating.
- NoClientAuth bool
-
- // PasswordCallback, if non-nil, is called when a user
- // attempts to authenticate using a password.
- PasswordCallback func(conn ConnMetadata, password []byte) (*Permissions, error)
-
- // PublicKeyCallback, if non-nil, is called when a client attempts public
- // key authentication. It must return true if the given public key is
- // valid for the given user. For example, see CertChecker.Authenticate.
- PublicKeyCallback func(conn ConnMetadata, key PublicKey) (*Permissions, error)
-
- // KeyboardInteractiveCallback, if non-nil, is called when
- // keyboard-interactive authentication is selected (RFC
- // 4256). The client object's Challenge function should be
- // used to query the user. The callback may offer multiple
- // Challenge rounds. To avoid information leaks, the client
- // should be presented a challenge even if the user is
- // unknown.
- KeyboardInteractiveCallback func(conn ConnMetadata, client KeyboardInteractiveChallenge) (*Permissions, error)
-
- // AuthLogCallback, if non-nil, is called to log all authentication
- // attempts.
- AuthLogCallback func(conn ConnMetadata, method string, err error)
-
- // ServerVersion is the version identification string to announce in
- // the public handshake.
- // If empty, a reasonable default is used.
- // Note that RFC 4253 section 4.2 requires that this string start with
- // "SSH-2.0-".
- ServerVersion string
-}
-
-// AddHostKey adds a private key as a host key. If an existing host
-// key exists with the same algorithm, it is overwritten. Each server
-// config must have at least one host key.
-func (s *ServerConfig) AddHostKey(key Signer) {
- for i, k := range s.hostKeys {
- if k.PublicKey().Type() == key.PublicKey().Type() {
- s.hostKeys[i] = key
- return
- }
- }
-
- s.hostKeys = append(s.hostKeys, key)
-}
-
-// cachedPubKey contains the results of querying whether a public key is
-// acceptable for a user.
-type cachedPubKey struct {
- user string
- pubKeyData []byte
- result error
- perms *Permissions
-}
-
-const maxCachedPubKeys = 16
-
-// pubKeyCache caches tests for public keys. Since SSH clients
-// will query whether a public key is acceptable before attempting to
-// authenticate with it, we end up with duplicate queries for public
-// key validity. The cache only applies to a single ServerConn.
-type pubKeyCache struct {
- keys []cachedPubKey
-}
-
-// get returns the result for a given user/algo/key tuple.
-func (c *pubKeyCache) get(user string, pubKeyData []byte) (cachedPubKey, bool) {
- for _, k := range c.keys {
- if k.user == user && bytes.Equal(k.pubKeyData, pubKeyData) {
- return k, true
- }
- }
- return cachedPubKey{}, false
-}
-
-// add adds the given tuple to the cache.
-func (c *pubKeyCache) add(candidate cachedPubKey) {
- if len(c.keys) < maxCachedPubKeys {
- c.keys = append(c.keys, candidate)
- }
-}
-
-// ServerConn is an authenticated SSH connection, as seen from the
-// server
-type ServerConn struct {
- Conn
-
- // If the succeeding authentication callback returned a
- // non-nil Permissions pointer, it is stored here.
- Permissions *Permissions
-}
-
-// NewServerConn starts a new SSH server with c as the underlying
-// transport. It starts with a handshake and, if the handshake is
-// unsuccessful, it closes the connection and returns an error. The
-// Request and NewChannel channels must be serviced, or the connection
-// will hang.
-func NewServerConn(c net.Conn, config *ServerConfig) (*ServerConn, <-chan NewChannel, <-chan *Request, error) {
- fullConf := *config
- fullConf.SetDefaults()
- s := &connection{
- sshConn: sshConn{conn: c},
- }
- perms, err := s.serverHandshake(&fullConf)
- if err != nil {
- c.Close()
- return nil, nil, nil, err
- }
- return &ServerConn{s, perms}, s.mux.incomingChannels, s.mux.incomingRequests, nil
-}
-
-// signAndMarshal signs the data with the appropriate algorithm,
-// and serializes the result in SSH wire format.
-func signAndMarshal(k Signer, rand io.Reader, data []byte) ([]byte, error) {
- sig, err := k.Sign(rand, data)
- if err != nil {
- return nil, err
- }
-
- return Marshal(sig), nil
-}
-
-// handshake performs key exchange and user authentication.
-func (s *connection) serverHandshake(config *ServerConfig) (*Permissions, error) {
- if len(config.hostKeys) == 0 {
- return nil, errors.New("ssh: server has no host keys")
- }
-
- if !config.NoClientAuth && config.PasswordCallback == nil && config.PublicKeyCallback == nil && config.KeyboardInteractiveCallback == nil {
- return nil, errors.New("ssh: no authentication methods configured but NoClientAuth is also false")
- }
-
- if config.ServerVersion != "" {
- s.serverVersion = []byte(config.ServerVersion)
- } else {
- s.serverVersion = []byte(packageVersion)
- }
- var err error
- s.clientVersion, err = exchangeVersions(s.sshConn.conn, s.serverVersion)
- if err != nil {
- return nil, err
- }
-
- tr := newTransport(s.sshConn.conn, config.Rand, false /* not client */)
- s.transport = newServerTransport(tr, s.clientVersion, s.serverVersion, config)
-
- if err := s.transport.requestInitialKeyChange(); err != nil {
- return nil, err
- }
-
- // We just did the key change, so the session ID is established.
- s.sessionID = s.transport.getSessionID()
-
- var packet []byte
- if packet, err = s.transport.readPacket(); err != nil {
- return nil, err
- }
-
- var serviceRequest serviceRequestMsg
- if err = Unmarshal(packet, &serviceRequest); err != nil {
- return nil, err
- }
- if serviceRequest.Service != serviceUserAuth {
- return nil, errors.New("ssh: requested service '" + serviceRequest.Service + "' before authenticating")
- }
- serviceAccept := serviceAcceptMsg{
- Service: serviceUserAuth,
- }
- if err := s.transport.writePacket(Marshal(&serviceAccept)); err != nil {
- return nil, err
- }
-
- perms, err := s.serverAuthenticate(config)
- if err != nil {
- return nil, err
- }
- s.mux = newMux(s.transport)
- return perms, err
-}
-
-func isAcceptableAlgo(algo string) bool {
- switch algo {
- case KeyAlgoRSA, KeyAlgoDSA, KeyAlgoECDSA256, KeyAlgoECDSA384, KeyAlgoECDSA521, KeyAlgoED25519,
- CertAlgoRSAv01, CertAlgoDSAv01, CertAlgoECDSA256v01, CertAlgoECDSA384v01, CertAlgoECDSA521v01:
- return true
- }
- return false
-}
-
-func checkSourceAddress(addr net.Addr, sourceAddr string) error {
- if addr == nil {
- return errors.New("ssh: no address known for client, but source-address match required")
- }
-
- tcpAddr, ok := addr.(*net.TCPAddr)
- if !ok {
- return fmt.Errorf("ssh: remote address %v is not an TCP address when checking source-address match", addr)
- }
-
- if allowedIP := net.ParseIP(sourceAddr); allowedIP != nil {
- if bytes.Equal(allowedIP, tcpAddr.IP) {
- return nil
- }
- } else {
- _, ipNet, err := net.ParseCIDR(sourceAddr)
- if err != nil {
- return fmt.Errorf("ssh: error parsing source-address restriction %q: %v", sourceAddr, err)
- }
-
- if ipNet.Contains(tcpAddr.IP) {
- return nil
- }
- }
-
- return fmt.Errorf("ssh: remote address %v is not allowed because of source-address restriction", addr)
-}
-
-func (s *connection) serverAuthenticate(config *ServerConfig) (*Permissions, error) {
- var err error
- var cache pubKeyCache
- var perms *Permissions
-
-userAuthLoop:
- for {
- var userAuthReq userAuthRequestMsg
- if packet, err := s.transport.readPacket(); err != nil {
- return nil, err
- } else if err = Unmarshal(packet, &userAuthReq); err != nil {
- return nil, err
- }
-
- if userAuthReq.Service != serviceSSH {
- return nil, errors.New("ssh: client attempted to negotiate for unknown service: " + userAuthReq.Service)
- }
-
- s.user = userAuthReq.User
- perms = nil
- authErr := errors.New("no auth passed yet")
-
- switch userAuthReq.Method {
- case "none":
- if config.NoClientAuth {
- s.user = ""
- authErr = nil
- }
- case "password":
- if config.PasswordCallback == nil {
- authErr = errors.New("ssh: password auth not configured")
- break
- }
- payload := userAuthReq.Payload
- if len(payload) < 1 || payload[0] != 0 {
- return nil, parseError(msgUserAuthRequest)
- }
- payload = payload[1:]
- password, payload, ok := parseString(payload)
- if !ok || len(payload) > 0 {
- return nil, parseError(msgUserAuthRequest)
- }
-
- perms, authErr = config.PasswordCallback(s, password)
- case "keyboard-interactive":
- if config.KeyboardInteractiveCallback == nil {
- authErr = errors.New("ssh: keyboard-interactive auth not configubred")
- break
- }
-
- prompter := &sshClientKeyboardInteractive{s}
- perms, authErr = config.KeyboardInteractiveCallback(s, prompter.Challenge)
- case "publickey":
- if config.PublicKeyCallback == nil {
- authErr = errors.New("ssh: publickey auth not configured")
- break
- }
- payload := userAuthReq.Payload
- if len(payload) < 1 {
- return nil, parseError(msgUserAuthRequest)
- }
- isQuery := payload[0] == 0
- payload = payload[1:]
- algoBytes, payload, ok := parseString(payload)
- if !ok {
- return nil, parseError(msgUserAuthRequest)
- }
- algo := string(algoBytes)
- if !isAcceptableAlgo(algo) {
- authErr = fmt.Errorf("ssh: algorithm %q not accepted", algo)
- break
- }
-
- pubKeyData, payload, ok := parseString(payload)
- if !ok {
- return nil, parseError(msgUserAuthRequest)
- }
-
- pubKey, err := ParsePublicKey(pubKeyData)
- if err != nil {
- return nil, err
- }
-
- candidate, ok := cache.get(s.user, pubKeyData)
- if !ok {
- candidate.user = s.user
- candidate.pubKeyData = pubKeyData
- candidate.perms, candidate.result = config.PublicKeyCallback(s, pubKey)
- if candidate.result == nil && candidate.perms != nil && candidate.perms.CriticalOptions != nil && candidate.perms.CriticalOptions[sourceAddressCriticalOption] != "" {
- candidate.result = checkSourceAddress(
- s.RemoteAddr(),
- candidate.perms.CriticalOptions[sourceAddressCriticalOption])
- }
- cache.add(candidate)
- }
-
- if isQuery {
- // The client can query if the given public key
- // would be okay.
- if len(payload) > 0 {
- return nil, parseError(msgUserAuthRequest)
- }
-
- if candidate.result == nil {
- okMsg := userAuthPubKeyOkMsg{
- Algo: algo,
- PubKey: pubKeyData,
- }
- if err = s.transport.writePacket(Marshal(&okMsg)); err != nil {
- return nil, err
- }
- continue userAuthLoop
- }
- authErr = candidate.result
- } else {
- sig, payload, ok := parseSignature(payload)
- if !ok || len(payload) > 0 {
- return nil, parseError(msgUserAuthRequest)
- }
- // Ensure the public key algo and signature algo
- // are supported. Compare the private key
- // algorithm name that corresponds to algo with
- // sig.Format. This is usually the same, but
- // for certs, the names differ.
- if !isAcceptableAlgo(sig.Format) {
- break
- }
- signedData := buildDataSignedForAuth(s.transport.getSessionID(), userAuthReq, algoBytes, pubKeyData)
-
- if err := pubKey.Verify(signedData, sig); err != nil {
- return nil, err
- }
-
- authErr = candidate.result
- perms = candidate.perms
- }
- default:
- authErr = fmt.Errorf("ssh: unknown method %q", userAuthReq.Method)
- }
-
- if config.AuthLogCallback != nil {
- config.AuthLogCallback(s, userAuthReq.Method, authErr)
- }
-
- if authErr == nil {
- break userAuthLoop
- }
-
- var failureMsg userAuthFailureMsg
- if config.PasswordCallback != nil {
- failureMsg.Methods = append(failureMsg.Methods, "password")
- }
- if config.PublicKeyCallback != nil {
- failureMsg.Methods = append(failureMsg.Methods, "publickey")
- }
- if config.KeyboardInteractiveCallback != nil {
- failureMsg.Methods = append(failureMsg.Methods, "keyboard-interactive")
- }
-
- if len(failureMsg.Methods) == 0 {
- return nil, errors.New("ssh: no authentication methods configured but NoClientAuth is also false")
- }
-
- if err = s.transport.writePacket(Marshal(&failureMsg)); err != nil {
- return nil, err
- }
- }
-
- if err = s.transport.writePacket([]byte{msgUserAuthSuccess}); err != nil {
- return nil, err
- }
- return perms, nil
-}
-
-// sshClientKeyboardInteractive implements a ClientKeyboardInteractive by
-// asking the client on the other side of a ServerConn.
-type sshClientKeyboardInteractive struct {
- *connection
-}
-
-func (c *sshClientKeyboardInteractive) Challenge(user, instruction string, questions []string, echos []bool) (answers []string, err error) {
- if len(questions) != len(echos) {
- return nil, errors.New("ssh: echos and questions must have equal length")
- }
-
- var prompts []byte
- for i := range questions {
- prompts = appendString(prompts, questions[i])
- prompts = appendBool(prompts, echos[i])
- }
-
- if err := c.transport.writePacket(Marshal(&userAuthInfoRequestMsg{
- Instruction: instruction,
- NumPrompts: uint32(len(questions)),
- Prompts: prompts,
- })); err != nil {
- return nil, err
- }
-
- packet, err := c.transport.readPacket()
- if err != nil {
- return nil, err
- }
- if packet[0] != msgUserAuthInfoResponse {
- return nil, unexpectedMessageError(msgUserAuthInfoResponse, packet[0])
- }
- packet = packet[1:]
-
- n, packet, ok := parseUint32(packet)
- if !ok || int(n) != len(questions) {
- return nil, parseError(msgUserAuthInfoResponse)
- }
-
- for i := uint32(0); i < n; i++ {
- ans, rest, ok := parseString(packet)
- if !ok {
- return nil, parseError(msgUserAuthInfoResponse)
- }
-
- answers = append(answers, string(ans))
- packet = rest
- }
- if len(packet) != 0 {
- return nil, errors.New("ssh: junk at end of message")
- }
-
- return answers, nil
-}
diff --git a/vendor/golang.org/x/crypto/ssh/session.go b/vendor/golang.org/x/crypto/ssh/session.go
deleted file mode 100644
index 17e2aa8..0000000
--- a/vendor/golang.org/x/crypto/ssh/session.go
+++ /dev/null
@@ -1,627 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-// Session implements an interactive session described in
-// "RFC 4254, section 6".
-
-import (
- "bytes"
- "encoding/binary"
- "errors"
- "fmt"
- "io"
- "io/ioutil"
- "sync"
-)
-
-type Signal string
-
-// POSIX signals as listed in RFC 4254 Section 6.10.
-const (
- SIGABRT Signal = "ABRT"
- SIGALRM Signal = "ALRM"
- SIGFPE Signal = "FPE"
- SIGHUP Signal = "HUP"
- SIGILL Signal = "ILL"
- SIGINT Signal = "INT"
- SIGKILL Signal = "KILL"
- SIGPIPE Signal = "PIPE"
- SIGQUIT Signal = "QUIT"
- SIGSEGV Signal = "SEGV"
- SIGTERM Signal = "TERM"
- SIGUSR1 Signal = "USR1"
- SIGUSR2 Signal = "USR2"
-)
-
-var signals = map[Signal]int{
- SIGABRT: 6,
- SIGALRM: 14,
- SIGFPE: 8,
- SIGHUP: 1,
- SIGILL: 4,
- SIGINT: 2,
- SIGKILL: 9,
- SIGPIPE: 13,
- SIGQUIT: 3,
- SIGSEGV: 11,
- SIGTERM: 15,
-}
-
-type TerminalModes map[uint8]uint32
-
-// POSIX terminal mode flags as listed in RFC 4254 Section 8.
-const (
- tty_OP_END = 0
- VINTR = 1
- VQUIT = 2
- VERASE = 3
- VKILL = 4
- VEOF = 5
- VEOL = 6
- VEOL2 = 7
- VSTART = 8
- VSTOP = 9
- VSUSP = 10
- VDSUSP = 11
- VREPRINT = 12
- VWERASE = 13
- VLNEXT = 14
- VFLUSH = 15
- VSWTCH = 16
- VSTATUS = 17
- VDISCARD = 18
- IGNPAR = 30
- PARMRK = 31
- INPCK = 32
- ISTRIP = 33
- INLCR = 34
- IGNCR = 35
- ICRNL = 36
- IUCLC = 37
- IXON = 38
- IXANY = 39
- IXOFF = 40
- IMAXBEL = 41
- ISIG = 50
- ICANON = 51
- XCASE = 52
- ECHO = 53
- ECHOE = 54
- ECHOK = 55
- ECHONL = 56
- NOFLSH = 57
- TOSTOP = 58
- IEXTEN = 59
- ECHOCTL = 60
- ECHOKE = 61
- PENDIN = 62
- OPOST = 70
- OLCUC = 71
- ONLCR = 72
- OCRNL = 73
- ONOCR = 74
- ONLRET = 75
- CS7 = 90
- CS8 = 91
- PARENB = 92
- PARODD = 93
- TTY_OP_ISPEED = 128
- TTY_OP_OSPEED = 129
-)
-
-// A Session represents a connection to a remote command or shell.
-type Session struct {
- // Stdin specifies the remote process's standard input.
- // If Stdin is nil, the remote process reads from an empty
- // bytes.Buffer.
- Stdin io.Reader
-
- // Stdout and Stderr specify the remote process's standard
- // output and error.
- //
- // If either is nil, Run connects the corresponding file
- // descriptor to an instance of ioutil.Discard. There is a
- // fixed amount of buffering that is shared for the two streams.
- // If either blocks it may eventually cause the remote
- // command to block.
- Stdout io.Writer
- Stderr io.Writer
-
- ch Channel // the channel backing this session
- started bool // true once Start, Run or Shell is invoked.
- copyFuncs []func() error
- errors chan error // one send per copyFunc
-
- // true if pipe method is active
- stdinpipe, stdoutpipe, stderrpipe bool
-
- // stdinPipeWriter is non-nil if StdinPipe has not been called
- // and Stdin was specified by the user; it is the write end of
- // a pipe connecting Session.Stdin to the stdin channel.
- stdinPipeWriter io.WriteCloser
-
- exitStatus chan error
-}
-
-// SendRequest sends an out-of-band channel request on the SSH channel
-// underlying the session.
-func (s *Session) SendRequest(name string, wantReply bool, payload []byte) (bool, error) {
- return s.ch.SendRequest(name, wantReply, payload)
-}
-
-func (s *Session) Close() error {
- return s.ch.Close()
-}
-
-// RFC 4254 Section 6.4.
-type setenvRequest struct {
- Name string
- Value string
-}
-
-// Setenv sets an environment variable that will be applied to any
-// command executed by Shell or Run.
-func (s *Session) Setenv(name, value string) error {
- msg := setenvRequest{
- Name: name,
- Value: value,
- }
- ok, err := s.ch.SendRequest("env", true, Marshal(&msg))
- if err == nil && !ok {
- err = errors.New("ssh: setenv failed")
- }
- return err
-}
-
-// RFC 4254 Section 6.2.
-type ptyRequestMsg struct {
- Term string
- Columns uint32
- Rows uint32
- Width uint32
- Height uint32
- Modelist string
-}
-
-// RequestPty requests the association of a pty with the session on the remote host.
-func (s *Session) RequestPty(term string, h, w int, termmodes TerminalModes) error {
- var tm []byte
- for k, v := range termmodes {
- kv := struct {
- Key byte
- Val uint32
- }{k, v}
-
- tm = append(tm, Marshal(&kv)...)
- }
- tm = append(tm, tty_OP_END)
- req := ptyRequestMsg{
- Term: term,
- Columns: uint32(w),
- Rows: uint32(h),
- Width: uint32(w * 8),
- Height: uint32(h * 8),
- Modelist: string(tm),
- }
- ok, err := s.ch.SendRequest("pty-req", true, Marshal(&req))
- if err == nil && !ok {
- err = errors.New("ssh: pty-req failed")
- }
- return err
-}
-
-// RFC 4254 Section 6.5.
-type subsystemRequestMsg struct {
- Subsystem string
-}
-
-// RequestSubsystem requests the association of a subsystem with the session on the remote host.
-// A subsystem is a predefined command that runs in the background when the ssh session is initiated
-func (s *Session) RequestSubsystem(subsystem string) error {
- msg := subsystemRequestMsg{
- Subsystem: subsystem,
- }
- ok, err := s.ch.SendRequest("subsystem", true, Marshal(&msg))
- if err == nil && !ok {
- err = errors.New("ssh: subsystem request failed")
- }
- return err
-}
-
-// RFC 4254 Section 6.9.
-type signalMsg struct {
- Signal string
-}
-
-// Signal sends the given signal to the remote process.
-// sig is one of the SIG* constants.
-func (s *Session) Signal(sig Signal) error {
- msg := signalMsg{
- Signal: string(sig),
- }
-
- _, err := s.ch.SendRequest("signal", false, Marshal(&msg))
- return err
-}
-
-// RFC 4254 Section 6.5.
-type execMsg struct {
- Command string
-}
-
-// Start runs cmd on the remote host. Typically, the remote
-// server passes cmd to the shell for interpretation.
-// A Session only accepts one call to Run, Start or Shell.
-func (s *Session) Start(cmd string) error {
- if s.started {
- return errors.New("ssh: session already started")
- }
- req := execMsg{
- Command: cmd,
- }
-
- ok, err := s.ch.SendRequest("exec", true, Marshal(&req))
- if err == nil && !ok {
- err = fmt.Errorf("ssh: command %v failed", cmd)
- }
- if err != nil {
- return err
- }
- return s.start()
-}
-
-// Run runs cmd on the remote host. Typically, the remote
-// server passes cmd to the shell for interpretation.
-// A Session only accepts one call to Run, Start, Shell, Output,
-// or CombinedOutput.
-//
-// The returned error is nil if the command runs, has no problems
-// copying stdin, stdout, and stderr, and exits with a zero exit
-// status.
-//
-// If the remote server does not send an exit status, an error of type
-// *ExitMissingError is returned. If the command completes
-// unsuccessfully or is interrupted by a signal, the error is of type
-// *ExitError. Other error types may be returned for I/O problems.
-func (s *Session) Run(cmd string) error {
- err := s.Start(cmd)
- if err != nil {
- return err
- }
- return s.Wait()
-}
-
-// Output runs cmd on the remote host and returns its standard output.
-func (s *Session) Output(cmd string) ([]byte, error) {
- if s.Stdout != nil {
- return nil, errors.New("ssh: Stdout already set")
- }
- var b bytes.Buffer
- s.Stdout = &b
- err := s.Run(cmd)
- return b.Bytes(), err
-}
-
-type singleWriter struct {
- b bytes.Buffer
- mu sync.Mutex
-}
-
-func (w *singleWriter) Write(p []byte) (int, error) {
- w.mu.Lock()
- defer w.mu.Unlock()
- return w.b.Write(p)
-}
-
-// CombinedOutput runs cmd on the remote host and returns its combined
-// standard output and standard error.
-func (s *Session) CombinedOutput(cmd string) ([]byte, error) {
- if s.Stdout != nil {
- return nil, errors.New("ssh: Stdout already set")
- }
- if s.Stderr != nil {
- return nil, errors.New("ssh: Stderr already set")
- }
- var b singleWriter
- s.Stdout = &b
- s.Stderr = &b
- err := s.Run(cmd)
- return b.b.Bytes(), err
-}
-
-// Shell starts a login shell on the remote host. A Session only
-// accepts one call to Run, Start, Shell, Output, or CombinedOutput.
-func (s *Session) Shell() error {
- if s.started {
- return errors.New("ssh: session already started")
- }
-
- ok, err := s.ch.SendRequest("shell", true, nil)
- if err == nil && !ok {
- return errors.New("ssh: could not start shell")
- }
- if err != nil {
- return err
- }
- return s.start()
-}
-
-func (s *Session) start() error {
- s.started = true
-
- type F func(*Session)
- for _, setupFd := range []F{(*Session).stdin, (*Session).stdout, (*Session).stderr} {
- setupFd(s)
- }
-
- s.errors = make(chan error, len(s.copyFuncs))
- for _, fn := range s.copyFuncs {
- go func(fn func() error) {
- s.errors <- fn()
- }(fn)
- }
- return nil
-}
-
-// Wait waits for the remote command to exit.
-//
-// The returned error is nil if the command runs, has no problems
-// copying stdin, stdout, and stderr, and exits with a zero exit
-// status.
-//
-// If the remote server does not send an exit status, an error of type
-// *ExitMissingError is returned. If the command completes
-// unsuccessfully or is interrupted by a signal, the error is of type
-// *ExitError. Other error types may be returned for I/O problems.
-func (s *Session) Wait() error {
- if !s.started {
- return errors.New("ssh: session not started")
- }
- waitErr := <-s.exitStatus
-
- if s.stdinPipeWriter != nil {
- s.stdinPipeWriter.Close()
- }
- var copyError error
- for _ = range s.copyFuncs {
- if err := <-s.errors; err != nil && copyError == nil {
- copyError = err
- }
- }
- if waitErr != nil {
- return waitErr
- }
- return copyError
-}
-
-func (s *Session) wait(reqs <-chan *Request) error {
- wm := Waitmsg{status: -1}
- // Wait for msg channel to be closed before returning.
- for msg := range reqs {
- switch msg.Type {
- case "exit-status":
- wm.status = int(binary.BigEndian.Uint32(msg.Payload))
- case "exit-signal":
- var sigval struct {
- Signal string
- CoreDumped bool
- Error string
- Lang string
- }
- if err := Unmarshal(msg.Payload, &sigval); err != nil {
- return err
- }
-
- // Must sanitize strings?
- wm.signal = sigval.Signal
- wm.msg = sigval.Error
- wm.lang = sigval.Lang
- default:
- // This handles keepalives and matches
- // OpenSSH's behaviour.
- if msg.WantReply {
- msg.Reply(false, nil)
- }
- }
- }
- if wm.status == 0 {
- return nil
- }
- if wm.status == -1 {
- // exit-status was never sent from server
- if wm.signal == "" {
- // signal was not sent either. RFC 4254
- // section 6.10 recommends against this
- // behavior, but it is allowed, so we let
- // clients handle it.
- return &ExitMissingError{}
- }
- wm.status = 128
- if _, ok := signals[Signal(wm.signal)]; ok {
- wm.status += signals[Signal(wm.signal)]
- }
- }
-
- return &ExitError{wm}
-}
-
-// ExitMissingError is returned if a session is torn down cleanly, but
-// the server sends no confirmation of the exit status.
-type ExitMissingError struct{}
-
-func (e *ExitMissingError) Error() string {
- return "wait: remote command exited without exit status or exit signal"
-}
-
-func (s *Session) stdin() {
- if s.stdinpipe {
- return
- }
- var stdin io.Reader
- if s.Stdin == nil {
- stdin = new(bytes.Buffer)
- } else {
- r, w := io.Pipe()
- go func() {
- _, err := io.Copy(w, s.Stdin)
- w.CloseWithError(err)
- }()
- stdin, s.stdinPipeWriter = r, w
- }
- s.copyFuncs = append(s.copyFuncs, func() error {
- _, err := io.Copy(s.ch, stdin)
- if err1 := s.ch.CloseWrite(); err == nil && err1 != io.EOF {
- err = err1
- }
- return err
- })
-}
-
-func (s *Session) stdout() {
- if s.stdoutpipe {
- return
- }
- if s.Stdout == nil {
- s.Stdout = ioutil.Discard
- }
- s.copyFuncs = append(s.copyFuncs, func() error {
- _, err := io.Copy(s.Stdout, s.ch)
- return err
- })
-}
-
-func (s *Session) stderr() {
- if s.stderrpipe {
- return
- }
- if s.Stderr == nil {
- s.Stderr = ioutil.Discard
- }
- s.copyFuncs = append(s.copyFuncs, func() error {
- _, err := io.Copy(s.Stderr, s.ch.Stderr())
- return err
- })
-}
-
-// sessionStdin reroutes Close to CloseWrite.
-type sessionStdin struct {
- io.Writer
- ch Channel
-}
-
-func (s *sessionStdin) Close() error {
- return s.ch.CloseWrite()
-}
-
-// StdinPipe returns a pipe that will be connected to the
-// remote command's standard input when the command starts.
-func (s *Session) StdinPipe() (io.WriteCloser, error) {
- if s.Stdin != nil {
- return nil, errors.New("ssh: Stdin already set")
- }
- if s.started {
- return nil, errors.New("ssh: StdinPipe after process started")
- }
- s.stdinpipe = true
- return &sessionStdin{s.ch, s.ch}, nil
-}
-
-// StdoutPipe returns a pipe that will be connected to the
-// remote command's standard output when the command starts.
-// There is a fixed amount of buffering that is shared between
-// stdout and stderr streams. If the StdoutPipe reader is
-// not serviced fast enough it may eventually cause the
-// remote command to block.
-func (s *Session) StdoutPipe() (io.Reader, error) {
- if s.Stdout != nil {
- return nil, errors.New("ssh: Stdout already set")
- }
- if s.started {
- return nil, errors.New("ssh: StdoutPipe after process started")
- }
- s.stdoutpipe = true
- return s.ch, nil
-}
-
-// StderrPipe returns a pipe that will be connected to the
-// remote command's standard error when the command starts.
-// There is a fixed amount of buffering that is shared between
-// stdout and stderr streams. If the StderrPipe reader is
-// not serviced fast enough it may eventually cause the
-// remote command to block.
-func (s *Session) StderrPipe() (io.Reader, error) {
- if s.Stderr != nil {
- return nil, errors.New("ssh: Stderr already set")
- }
- if s.started {
- return nil, errors.New("ssh: StderrPipe after process started")
- }
- s.stderrpipe = true
- return s.ch.Stderr(), nil
-}
-
-// newSession returns a new interactive session on the remote host.
-func newSession(ch Channel, reqs <-chan *Request) (*Session, error) {
- s := &Session{
- ch: ch,
- }
- s.exitStatus = make(chan error, 1)
- go func() {
- s.exitStatus <- s.wait(reqs)
- }()
-
- return s, nil
-}
-
-// An ExitError reports unsuccessful completion of a remote command.
-type ExitError struct {
- Waitmsg
-}
-
-func (e *ExitError) Error() string {
- return e.Waitmsg.String()
-}
-
-// Waitmsg stores the information about an exited remote command
-// as reported by Wait.
-type Waitmsg struct {
- status int
- signal string
- msg string
- lang string
-}
-
-// ExitStatus returns the exit status of the remote command.
-func (w Waitmsg) ExitStatus() int {
- return w.status
-}
-
-// Signal returns the exit signal of the remote command if
-// it was terminated violently.
-func (w Waitmsg) Signal() string {
- return w.signal
-}
-
-// Msg returns the exit message given by the remote command
-func (w Waitmsg) Msg() string {
- return w.msg
-}
-
-// Lang returns the language tag. See RFC 3066
-func (w Waitmsg) Lang() string {
- return w.lang
-}
-
-func (w Waitmsg) String() string {
- str := fmt.Sprintf("Process exited with status %v", w.status)
- if w.signal != "" {
- str += fmt.Sprintf(" from signal %v", w.signal)
- }
- if w.msg != "" {
- str += fmt.Sprintf(". Reason was: %v", w.msg)
- }
- return str
-}
diff --git a/vendor/golang.org/x/crypto/ssh/tcpip.go b/vendor/golang.org/x/crypto/ssh/tcpip.go
deleted file mode 100644
index 6151241..0000000
--- a/vendor/golang.org/x/crypto/ssh/tcpip.go
+++ /dev/null
@@ -1,407 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "errors"
- "fmt"
- "io"
- "math/rand"
- "net"
- "strconv"
- "strings"
- "sync"
- "time"
-)
-
-// Listen requests the remote peer open a listening socket on
-// addr. Incoming connections will be available by calling Accept on
-// the returned net.Listener. The listener must be serviced, or the
-// SSH connection may hang.
-func (c *Client) Listen(n, addr string) (net.Listener, error) {
- laddr, err := net.ResolveTCPAddr(n, addr)
- if err != nil {
- return nil, err
- }
- return c.ListenTCP(laddr)
-}
-
-// Automatic port allocation is broken with OpenSSH before 6.0. See
-// also https://bugzilla.mindrot.org/show_bug.cgi?id=2017. In
-// particular, OpenSSH 5.9 sends a channelOpenMsg with port number 0,
-// rather than the actual port number. This means you can never open
-// two different listeners with auto allocated ports. We work around
-// this by trying explicit ports until we succeed.
-
-const openSSHPrefix = "OpenSSH_"
-
-var portRandomizer = rand.New(rand.NewSource(time.Now().UnixNano()))
-
-// isBrokenOpenSSHVersion returns true if the given version string
-// specifies a version of OpenSSH that is known to have a bug in port
-// forwarding.
-func isBrokenOpenSSHVersion(versionStr string) bool {
- i := strings.Index(versionStr, openSSHPrefix)
- if i < 0 {
- return false
- }
- i += len(openSSHPrefix)
- j := i
- for ; j < len(versionStr); j++ {
- if versionStr[j] < '0' || versionStr[j] > '9' {
- break
- }
- }
- version, _ := strconv.Atoi(versionStr[i:j])
- return version < 6
-}
-
-// autoPortListenWorkaround simulates automatic port allocation by
-// trying random ports repeatedly.
-func (c *Client) autoPortListenWorkaround(laddr *net.TCPAddr) (net.Listener, error) {
- var sshListener net.Listener
- var err error
- const tries = 10
- for i := 0; i < tries; i++ {
- addr := *laddr
- addr.Port = 1024 + portRandomizer.Intn(60000)
- sshListener, err = c.ListenTCP(&addr)
- if err == nil {
- laddr.Port = addr.Port
- return sshListener, err
- }
- }
- return nil, fmt.Errorf("ssh: listen on random port failed after %d tries: %v", tries, err)
-}
-
-// RFC 4254 7.1
-type channelForwardMsg struct {
- addr string
- rport uint32
-}
-
-// ListenTCP requests the remote peer open a listening socket
-// on laddr. Incoming connections will be available by calling
-// Accept on the returned net.Listener.
-func (c *Client) ListenTCP(laddr *net.TCPAddr) (net.Listener, error) {
- if laddr.Port == 0 && isBrokenOpenSSHVersion(string(c.ServerVersion())) {
- return c.autoPortListenWorkaround(laddr)
- }
-
- m := channelForwardMsg{
- laddr.IP.String(),
- uint32(laddr.Port),
- }
- // send message
- ok, resp, err := c.SendRequest("tcpip-forward", true, Marshal(&m))
- if err != nil {
- return nil, err
- }
- if !ok {
- return nil, errors.New("ssh: tcpip-forward request denied by peer")
- }
-
- // If the original port was 0, then the remote side will
- // supply a real port number in the response.
- if laddr.Port == 0 {
- var p struct {
- Port uint32
- }
- if err := Unmarshal(resp, &p); err != nil {
- return nil, err
- }
- laddr.Port = int(p.Port)
- }
-
- // Register this forward, using the port number we obtained.
- ch := c.forwards.add(*laddr)
-
- return &tcpListener{laddr, c, ch}, nil
-}
-
-// forwardList stores a mapping between remote
-// forward requests and the tcpListeners.
-type forwardList struct {
- sync.Mutex
- entries []forwardEntry
-}
-
-// forwardEntry represents an established mapping of a laddr on a
-// remote ssh server to a channel connected to a tcpListener.
-type forwardEntry struct {
- laddr net.TCPAddr
- c chan forward
-}
-
-// forward represents an incoming forwarded tcpip connection. The
-// arguments to add/remove/lookup should be address as specified in
-// the original forward-request.
-type forward struct {
- newCh NewChannel // the ssh client channel underlying this forward
- raddr *net.TCPAddr // the raddr of the incoming connection
-}
-
-func (l *forwardList) add(addr net.TCPAddr) chan forward {
- l.Lock()
- defer l.Unlock()
- f := forwardEntry{
- addr,
- make(chan forward, 1),
- }
- l.entries = append(l.entries, f)
- return f.c
-}
-
-// See RFC 4254, section 7.2
-type forwardedTCPPayload struct {
- Addr string
- Port uint32
- OriginAddr string
- OriginPort uint32
-}
-
-// parseTCPAddr parses the originating address from the remote into a *net.TCPAddr.
-func parseTCPAddr(addr string, port uint32) (*net.TCPAddr, error) {
- if port == 0 || port > 65535 {
- return nil, fmt.Errorf("ssh: port number out of range: %d", port)
- }
- ip := net.ParseIP(string(addr))
- if ip == nil {
- return nil, fmt.Errorf("ssh: cannot parse IP address %q", addr)
- }
- return &net.TCPAddr{IP: ip, Port: int(port)}, nil
-}
-
-func (l *forwardList) handleChannels(in <-chan NewChannel) {
- for ch := range in {
- var payload forwardedTCPPayload
- if err := Unmarshal(ch.ExtraData(), &payload); err != nil {
- ch.Reject(ConnectionFailed, "could not parse forwarded-tcpip payload: "+err.Error())
- continue
- }
-
- // RFC 4254 section 7.2 specifies that incoming
- // addresses should list the address, in string
- // format. It is implied that this should be an IP
- // address, as it would be impossible to connect to it
- // otherwise.
- laddr, err := parseTCPAddr(payload.Addr, payload.Port)
- if err != nil {
- ch.Reject(ConnectionFailed, err.Error())
- continue
- }
- raddr, err := parseTCPAddr(payload.OriginAddr, payload.OriginPort)
- if err != nil {
- ch.Reject(ConnectionFailed, err.Error())
- continue
- }
-
- if ok := l.forward(*laddr, *raddr, ch); !ok {
- // Section 7.2, implementations MUST reject spurious incoming
- // connections.
- ch.Reject(Prohibited, "no forward for address")
- continue
- }
- }
-}
-
-// remove removes the forward entry, and the channel feeding its
-// listener.
-func (l *forwardList) remove(addr net.TCPAddr) {
- l.Lock()
- defer l.Unlock()
- for i, f := range l.entries {
- if addr.IP.Equal(f.laddr.IP) && addr.Port == f.laddr.Port {
- l.entries = append(l.entries[:i], l.entries[i+1:]...)
- close(f.c)
- return
- }
- }
-}
-
-// closeAll closes and clears all forwards.
-func (l *forwardList) closeAll() {
- l.Lock()
- defer l.Unlock()
- for _, f := range l.entries {
- close(f.c)
- }
- l.entries = nil
-}
-
-func (l *forwardList) forward(laddr, raddr net.TCPAddr, ch NewChannel) bool {
- l.Lock()
- defer l.Unlock()
- for _, f := range l.entries {
- if laddr.IP.Equal(f.laddr.IP) && laddr.Port == f.laddr.Port {
- f.c <- forward{ch, &raddr}
- return true
- }
- }
- return false
-}
-
-type tcpListener struct {
- laddr *net.TCPAddr
-
- conn *Client
- in <-chan forward
-}
-
-// Accept waits for and returns the next connection to the listener.
-func (l *tcpListener) Accept() (net.Conn, error) {
- s, ok := <-l.in
- if !ok {
- return nil, io.EOF
- }
- ch, incoming, err := s.newCh.Accept()
- if err != nil {
- return nil, err
- }
- go DiscardRequests(incoming)
-
- return &tcpChanConn{
- Channel: ch,
- laddr: l.laddr,
- raddr: s.raddr,
- }, nil
-}
-
-// Close closes the listener.
-func (l *tcpListener) Close() error {
- m := channelForwardMsg{
- l.laddr.IP.String(),
- uint32(l.laddr.Port),
- }
-
- // this also closes the listener.
- l.conn.forwards.remove(*l.laddr)
- ok, _, err := l.conn.SendRequest("cancel-tcpip-forward", true, Marshal(&m))
- if err == nil && !ok {
- err = errors.New("ssh: cancel-tcpip-forward failed")
- }
- return err
-}
-
-// Addr returns the listener's network address.
-func (l *tcpListener) Addr() net.Addr {
- return l.laddr
-}
-
-// Dial initiates a connection to the addr from the remote host.
-// The resulting connection has a zero LocalAddr() and RemoteAddr().
-func (c *Client) Dial(n, addr string) (net.Conn, error) {
- // Parse the address into host and numeric port.
- host, portString, err := net.SplitHostPort(addr)
- if err != nil {
- return nil, err
- }
- port, err := strconv.ParseUint(portString, 10, 16)
- if err != nil {
- return nil, err
- }
- // Use a zero address for local and remote address.
- zeroAddr := &net.TCPAddr{
- IP: net.IPv4zero,
- Port: 0,
- }
- ch, err := c.dial(net.IPv4zero.String(), 0, host, int(port))
- if err != nil {
- return nil, err
- }
- return &tcpChanConn{
- Channel: ch,
- laddr: zeroAddr,
- raddr: zeroAddr,
- }, nil
-}
-
-// DialTCP connects to the remote address raddr on the network net,
-// which must be "tcp", "tcp4", or "tcp6". If laddr is not nil, it is used
-// as the local address for the connection.
-func (c *Client) DialTCP(n string, laddr, raddr *net.TCPAddr) (net.Conn, error) {
- if laddr == nil {
- laddr = &net.TCPAddr{
- IP: net.IPv4zero,
- Port: 0,
- }
- }
- ch, err := c.dial(laddr.IP.String(), laddr.Port, raddr.IP.String(), raddr.Port)
- if err != nil {
- return nil, err
- }
- return &tcpChanConn{
- Channel: ch,
- laddr: laddr,
- raddr: raddr,
- }, nil
-}
-
-// RFC 4254 7.2
-type channelOpenDirectMsg struct {
- raddr string
- rport uint32
- laddr string
- lport uint32
-}
-
-func (c *Client) dial(laddr string, lport int, raddr string, rport int) (Channel, error) {
- msg := channelOpenDirectMsg{
- raddr: raddr,
- rport: uint32(rport),
- laddr: laddr,
- lport: uint32(lport),
- }
- ch, in, err := c.OpenChannel("direct-tcpip", Marshal(&msg))
- if err != nil {
- return nil, err
- }
- go DiscardRequests(in)
- return ch, err
-}
-
-type tcpChan struct {
- Channel // the backing channel
-}
-
-// tcpChanConn fulfills the net.Conn interface without
-// the tcpChan having to hold laddr or raddr directly.
-type tcpChanConn struct {
- Channel
- laddr, raddr net.Addr
-}
-
-// LocalAddr returns the local network address.
-func (t *tcpChanConn) LocalAddr() net.Addr {
- return t.laddr
-}
-
-// RemoteAddr returns the remote network address.
-func (t *tcpChanConn) RemoteAddr() net.Addr {
- return t.raddr
-}
-
-// SetDeadline sets the read and write deadlines associated
-// with the connection.
-func (t *tcpChanConn) SetDeadline(deadline time.Time) error {
- if err := t.SetReadDeadline(deadline); err != nil {
- return err
- }
- return t.SetWriteDeadline(deadline)
-}
-
-// SetReadDeadline sets the read deadline.
-// A zero value for t means Read will not time out.
-// After the deadline, the error from Read will implement net.Error
-// with Timeout() == true.
-func (t *tcpChanConn) SetReadDeadline(deadline time.Time) error {
- return errors.New("ssh: tcpChan: deadline not supported")
-}
-
-// SetWriteDeadline exists to satisfy the net.Conn interface
-// but is not implemented by this type. It always returns an error.
-func (t *tcpChanConn) SetWriteDeadline(deadline time.Time) error {
- return errors.New("ssh: tcpChan: deadline not supported")
-}
diff --git a/vendor/golang.org/x/crypto/ssh/transport.go b/vendor/golang.org/x/crypto/ssh/transport.go
deleted file mode 100644
index 62fba62..0000000
--- a/vendor/golang.org/x/crypto/ssh/transport.go
+++ /dev/null
@@ -1,333 +0,0 @@
-// Copyright 2011 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package ssh
-
-import (
- "bufio"
- "errors"
- "io"
-)
-
-const (
- gcmCipherID = "aes128-gcm@openssh.com"
- aes128cbcID = "aes128-cbc"
- tripledescbcID = "3des-cbc"
-)
-
-// packetConn represents a transport that implements packet based
-// operations.
-type packetConn interface {
- // Encrypt and send a packet of data to the remote peer.
- writePacket(packet []byte) error
-
- // Read a packet from the connection
- readPacket() ([]byte, error)
-
- // Close closes the write-side of the connection.
- Close() error
-}
-
-// transport is the keyingTransport that implements the SSH packet
-// protocol.
-type transport struct {
- reader connectionState
- writer connectionState
-
- bufReader *bufio.Reader
- bufWriter *bufio.Writer
- rand io.Reader
-
- io.Closer
-}
-
-// packetCipher represents a combination of SSH encryption/MAC
-// protocol. A single instance should be used for one direction only.
-type packetCipher interface {
- // writePacket encrypts the packet and writes it to w. The
- // contents of the packet are generally scrambled.
- writePacket(seqnum uint32, w io.Writer, rand io.Reader, packet []byte) error
-
- // readPacket reads and decrypts a packet of data. The
- // returned packet may be overwritten by future calls of
- // readPacket.
- readPacket(seqnum uint32, r io.Reader) ([]byte, error)
-}
-
-// connectionState represents one side (read or write) of the
-// connection. This is necessary because each direction has its own
-// keys, and can even have its own algorithms
-type connectionState struct {
- packetCipher
- seqNum uint32
- dir direction
- pendingKeyChange chan packetCipher
-}
-
-// prepareKeyChange sets up key material for a keychange. The key changes in
-// both directions are triggered by reading and writing a msgNewKey packet
-// respectively.
-func (t *transport) prepareKeyChange(algs *algorithms, kexResult *kexResult) error {
- if ciph, err := newPacketCipher(t.reader.dir, algs.r, kexResult); err != nil {
- return err
- } else {
- t.reader.pendingKeyChange <- ciph
- }
-
- if ciph, err := newPacketCipher(t.writer.dir, algs.w, kexResult); err != nil {
- return err
- } else {
- t.writer.pendingKeyChange <- ciph
- }
-
- return nil
-}
-
-// Read and decrypt next packet.
-func (t *transport) readPacket() ([]byte, error) {
- return t.reader.readPacket(t.bufReader)
-}
-
-func (s *connectionState) readPacket(r *bufio.Reader) ([]byte, error) {
- packet, err := s.packetCipher.readPacket(s.seqNum, r)
- s.seqNum++
- if err == nil && len(packet) == 0 {
- err = errors.New("ssh: zero length packet")
- }
-
- if len(packet) > 0 {
- switch packet[0] {
- case msgNewKeys:
- select {
- case cipher := <-s.pendingKeyChange:
- s.packetCipher = cipher
- default:
- return nil, errors.New("ssh: got bogus newkeys message.")
- }
-
- case msgDisconnect:
- // Transform a disconnect message into an
- // error. Since this is lowest level at which
- // we interpret message types, doing it here
- // ensures that we don't have to handle it
- // elsewhere.
- var msg disconnectMsg
- if err := Unmarshal(packet, &msg); err != nil {
- return nil, err
- }
- return nil, &msg
- }
- }
-
- // The packet may point to an internal buffer, so copy the
- // packet out here.
- fresh := make([]byte, len(packet))
- copy(fresh, packet)
-
- return fresh, err
-}
-
-func (t *transport) writePacket(packet []byte) error {
- return t.writer.writePacket(t.bufWriter, t.rand, packet)
-}
-
-func (s *connectionState) writePacket(w *bufio.Writer, rand io.Reader, packet []byte) error {
- changeKeys := len(packet) > 0 && packet[0] == msgNewKeys
-
- err := s.packetCipher.writePacket(s.seqNum, w, rand, packet)
- if err != nil {
- return err
- }
- if err = w.Flush(); err != nil {
- return err
- }
- s.seqNum++
- if changeKeys {
- select {
- case cipher := <-s.pendingKeyChange:
- s.packetCipher = cipher
- default:
- panic("ssh: no key material for msgNewKeys")
- }
- }
- return err
-}
-
-func newTransport(rwc io.ReadWriteCloser, rand io.Reader, isClient bool) *transport {
- t := &transport{
- bufReader: bufio.NewReader(rwc),
- bufWriter: bufio.NewWriter(rwc),
- rand: rand,
- reader: connectionState{
- packetCipher: &streamPacketCipher{cipher: noneCipher{}},
- pendingKeyChange: make(chan packetCipher, 1),
- },
- writer: connectionState{
- packetCipher: &streamPacketCipher{cipher: noneCipher{}},
- pendingKeyChange: make(chan packetCipher, 1),
- },
- Closer: rwc,
- }
- if isClient {
- t.reader.dir = serverKeys
- t.writer.dir = clientKeys
- } else {
- t.reader.dir = clientKeys
- t.writer.dir = serverKeys
- }
-
- return t
-}
-
-type direction struct {
- ivTag []byte
- keyTag []byte
- macKeyTag []byte
-}
-
-var (
- serverKeys = direction{[]byte{'B'}, []byte{'D'}, []byte{'F'}}
- clientKeys = direction{[]byte{'A'}, []byte{'C'}, []byte{'E'}}
-)
-
-// generateKeys generates key material for IV, MAC and encryption.
-func generateKeys(d direction, algs directionAlgorithms, kex *kexResult) (iv, key, macKey []byte) {
- cipherMode := cipherModes[algs.Cipher]
- macMode := macModes[algs.MAC]
-
- iv = make([]byte, cipherMode.ivSize)
- key = make([]byte, cipherMode.keySize)
- macKey = make([]byte, macMode.keySize)
-
- generateKeyMaterial(iv, d.ivTag, kex)
- generateKeyMaterial(key, d.keyTag, kex)
- generateKeyMaterial(macKey, d.macKeyTag, kex)
- return
-}
-
-// setupKeys sets the cipher and MAC keys from kex.K, kex.H and sessionId, as
-// described in RFC 4253, section 6.4. direction should either be serverKeys
-// (to setup server->client keys) or clientKeys (for client->server keys).
-func newPacketCipher(d direction, algs directionAlgorithms, kex *kexResult) (packetCipher, error) {
- iv, key, macKey := generateKeys(d, algs, kex)
-
- if algs.Cipher == gcmCipherID {
- return newGCMCipher(iv, key, macKey)
- }
-
- if algs.Cipher == aes128cbcID {
- return newAESCBCCipher(iv, key, macKey, algs)
- }
-
- if algs.Cipher == tripledescbcID {
- return newTripleDESCBCCipher(iv, key, macKey, algs)
- }
-
- c := &streamPacketCipher{
- mac: macModes[algs.MAC].new(macKey),
- }
- c.macResult = make([]byte, c.mac.Size())
-
- var err error
- c.cipher, err = cipherModes[algs.Cipher].createStream(key, iv)
- if err != nil {
- return nil, err
- }
-
- return c, nil
-}
-
-// generateKeyMaterial fills out with key material generated from tag, K, H
-// and sessionId, as specified in RFC 4253, section 7.2.
-func generateKeyMaterial(out, tag []byte, r *kexResult) {
- var digestsSoFar []byte
-
- h := r.Hash.New()
- for len(out) > 0 {
- h.Reset()
- h.Write(r.K)
- h.Write(r.H)
-
- if len(digestsSoFar) == 0 {
- h.Write(tag)
- h.Write(r.SessionID)
- } else {
- h.Write(digestsSoFar)
- }
-
- digest := h.Sum(nil)
- n := copy(out, digest)
- out = out[n:]
- if len(out) > 0 {
- digestsSoFar = append(digestsSoFar, digest...)
- }
- }
-}
-
-const packageVersion = "SSH-2.0-Go"
-
-// Sends and receives a version line. The versionLine string should
-// be US ASCII, start with "SSH-2.0-", and should not include a
-// newline. exchangeVersions returns the other side's version line.
-func exchangeVersions(rw io.ReadWriter, versionLine []byte) (them []byte, err error) {
- // Contrary to the RFC, we do not ignore lines that don't
- // start with "SSH-2.0-" to make the library usable with
- // nonconforming servers.
- for _, c := range versionLine {
- // The spec disallows non US-ASCII chars, and
- // specifically forbids null chars.
- if c < 32 {
- return nil, errors.New("ssh: junk character in version line")
- }
- }
- if _, err = rw.Write(append(versionLine, '\r', '\n')); err != nil {
- return
- }
-
- them, err = readVersion(rw)
- return them, err
-}
-
-// maxVersionStringBytes is the maximum number of bytes that we'll
-// accept as a version string. RFC 4253 section 4.2 limits this at 255
-// chars
-const maxVersionStringBytes = 255
-
-// Read version string as specified by RFC 4253, section 4.2.
-func readVersion(r io.Reader) ([]byte, error) {
- versionString := make([]byte, 0, 64)
- var ok bool
- var buf [1]byte
-
- for len(versionString) < maxVersionStringBytes {
- _, err := io.ReadFull(r, buf[:])
- if err != nil {
- return nil, err
- }
- // The RFC says that the version should be terminated with \r\n
- // but several SSH servers actually only send a \n.
- if buf[0] == '\n' {
- ok = true
- break
- }
-
- // non ASCII chars are disallowed, but we are lenient,
- // since Go doesn't use null-terminated strings.
-
- // The RFC allows a comment after a space, however,
- // all of it (version and comments) goes into the
- // session hash.
- versionString = append(versionString, buf[0])
- }
-
- if !ok {
- return nil, errors.New("ssh: overflow reading version string")
- }
-
- // There might be a '\r' on the end which we should remove.
- if len(versionString) > 0 && versionString[len(versionString)-1] == '\r' {
- versionString = versionString[:len(versionString)-1]
- }
- return versionString, nil
-}
diff --git a/vendor/vendor.json b/vendor/vendor.json
deleted file mode 100644
index 1915e89..0000000
--- a/vendor/vendor.json
+++ /dev/null
@@ -1,49 +0,0 @@
-{
- "comment": "",
- "ignore": "test",
- "package": [
- {
- "checksumSHA1": "vwpCebe1/Uw4IVvhoCEzrsBoA+E=",
- "path": "github.com/Sirupsen/logrus",
- "revision": "418b41d23a1bf978c06faea5313ba194650ac088",
- "revisionTime": "2015-09-08T20:46:18Z"
- },
- {
- "checksumSHA1": "ljZrmD7pmMXAkGNfp6IEzj31fY8=",
- "path": "github.com/joho/godotenv",
- "revision": "4ed13390c0acd2ff4e371e64d8b97c8954138243",
- "revisionTime": "2015-09-07T01:02:28Z"
- },
- {
- "checksumSHA1": "W1G9Avuz92Ng1IqblcO/cIe6pHU=",
- "path": "github.com/urfave/cli",
- "revision": "d9021faab69f92295ef7061bd39e4a76dcbdef32",
- "revisionTime": "2016-07-26T01:14:03Z"
- },
- {
- "checksumSHA1": "h+pFYiRHBogczS8/F1NoN3Ata44=",
- "path": "golang.org/x/crypto/curve25519",
- "revision": "bc89c496413265e715159bdc8478ee9a92fdc265",
- "revisionTime": "2016-07-08T11:45:45Z"
- },
- {
- "checksumSHA1": "wGb//LjBPNxYHqk+dcLo7BjPXK8=",
- "path": "golang.org/x/crypto/ed25519",
- "revision": "bc89c496413265e715159bdc8478ee9a92fdc265",
- "revisionTime": "2016-07-08T11:45:45Z"
- },
- {
- "checksumSHA1": "LXFcVx8I587SnWmKycSDEq9yvK8=",
- "path": "golang.org/x/crypto/ed25519/internal/edwards25519",
- "revision": "bc89c496413265e715159bdc8478ee9a92fdc265",
- "revisionTime": "2016-07-08T11:45:45Z"
- },
- {
- "checksumSHA1": "Lzk0xTzvdMm8Y4bErxJPSOj8iHk=",
- "path": "golang.org/x/crypto/ssh",
- "revision": "bc89c496413265e715159bdc8478ee9a92fdc265",
- "revisionTime": "2016-07-08T11:45:45Z"
- }
- ],
- "rootPath": "github.com/drone-plugins/drone-ssh"
-}